#154AE4

Closest named color: Vibrant Blue (#0339F8). oklch(49.1% 0.238 264.2), rgb(21, 74, 228).

Aa

White text reads best on this color (6.70:1).

About this color

#154AE4 is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.238 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Vibrant Blue (#0339F8), ΔE 0.042 away. White text reads best on it, at 6.70:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.238)
Temperaturecool
Nearest nameVibrant Blue (#0339F8)
Black text3.13:1
White text6.70:1

Values

HEX#154AE4
RGBrgb(21, 74, 228)
HSLhsl(225, 83%, 49%)
OKLCHoklch(49.1% 0.238 264.2)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #154AE4 6.70:1 AA Lc -87.1 Fine for body text
Black text on #154AE4 3.13:1 AA large text Lc 22.1 Dividers and decoration only
#154AE4 text on white 6.70:1 AA Lc 82.0 Fine for body text
#154AE4 text on black 3.13:1 AA large text Lc -19.9 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F1F6FF

    oklch(97.2% 0.013 262.4)

  2. Step 100

    100

    #E0EAFF

    oklch(93.6% 0.03 265.3)

  3. Step 200

    200

    #C7DAFF

    oklch(88.6% 0.055 263.7)

  4. Step 300

    300

    #A2C0FF

    oklch(80.9% 0.096 264.7)

  5. Step 400

    400

    #709DFF

    oklch(70.7% 0.152 264.2)

  6. Step 500

    500

    #4A80FF

    oklch(63.1% 0.198 264.2)

  7. Step 600

    600

    #245FFF

    oklch(55.6% 0.245 264.2)

  8. Step 700

    700 (this color)

    #154AE4

    oklch(49.1% 0.238 264.2)

  9. Step 800

    800

    #133EB8

    oklch(42.6% 0.197 264.3)

  10. Step 900

    900

    #153891

    oklch(37.8% 0.153 264)

  11. Step 950

    950

    #0D2255

    oklch(27.1% 0.097 264.1)

Export this scale for Tailwind in the Tailwind colors tool

#154AE4 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0066E90.062
Deuteranopia (no green cones)#0052E10.017
Tritanopia (no blue cones)#0075910.181
Achromatopsia (no color)#5C5C5C0.238

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #154AE4

    #154AE4

    oklch(49.1% 0.238 264.2)

  • #7B5B00

    #7B5B00

    oklch(49.1% 0.101 84.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #154AE4

    #154AE4

    oklch(49.1% 0.238 264.2)

  • #006992

    #006992

    oklch(49.1% 0.103 234.3)

  • #7029D6

    #7029D6

    oklch(49.2% 0.238 294.2)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #154AE4

    #154AE4

    oklch(49.1% 0.238 264.2)

  • #944900

    #944900

    oklch(49% 0.123 54)

  • #606700

    #606700

    oklch(49.1% 0.111 114.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #154AE4

    #154AE4

    oklch(49.1% 0.238 264.2)

  • #B7001F

    #B7001F

    oklch(49.1% 0.199 24.3)

  • #007616

    #007616

    oklch(49.1% 0.159 144.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #154AE4

    #154AE4

    oklch(49.1% 0.238 264.2)

  • #AE0068

    #AE0068

    oklch(49.1% 0.202 354.2)

  • #7B5B00

    #7B5B00

    oklch(49.1% 0.101 84.7)

  • #00715D

    #00715D

    oklch(49% 0.093 174.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #154AE4, closest first.

No curated palette has a color within ΔE 0.04 of #154AE4.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #154AE4 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.