#154EDD

Closest named color: Azul (#1D5DEC). oklch(49.1% 0.225 263.6), rgb(21, 78, 221).

Aa

White text reads best on this color (6.63:1).

About this color

#154EDD is a medium-dark, vivid blue. In OKLCH its lightness is 49%, its chroma 0.225 and its hue 264°. Its hue sits on the cool side of the wheel. The nearest named color is Azul (#1D5DEC), ΔE 0.043 away. White text reads best on it, at 6.63:1.

Hue familyBlues
Lightnessmedium-dark (49%)
Chromavivid (0.225)
Temperaturecool
Nearest nameAzul (#1D5DEC)
Black text3.16:1
White text6.63:1

Values

HEX#154EDD
RGBrgb(21, 78, 221)
HSLhsl(223, 83%, 47%)
OKLCHoklch(49.1% 0.225 263.6)

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 #154EDD 6.63:1 AA Lc -86.9 Fine for body text
Black text on #154EDD 3.16:1 AA large text Lc 22.3 Dividers and decoration only
#154EDD text on white 6.63:1 AA Lc 81.8 Fine for body text
#154EDD text on black 3.16:1 AA large text Lc -20.1 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

    #DFEAFF

    oklch(93.5% 0.031 263.5)

  3. Step 200

    200

    #C6DAFF

    oklch(88.5% 0.056 262.8)

  4. Step 300

    300

    #A1C1FF

    oklch(81% 0.095 263.3)

  5. Step 400

    400

    #6E9DFF

    oklch(70.6% 0.153 263.6)

  6. Step 500

    500

    #4881FF

    oklch(63.2% 0.197 263.5)

  7. Step 600

    600

    #2160FD

    oklch(55.5% 0.242 263.6)

  8. Step 700

    700 (this color)

    #154EDD

    oklch(49.1% 0.225 263.6)

  9. Step 800

    800

    #1341B2

    oklch(42.6% 0.186 263.5)

  10. Step 900

    900

    #16398D

    oklch(37.7% 0.145 263.7)

  11. Step 950

    950

    #0D2352

    oklch(27.1% 0.091 262.9)

Export this scale for Tailwind in the Tailwind colors tool

#154EDD 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)#0066E20.055
Deuteranopia (no green cones)#0054DA0.014
Tritanopia (no blue cones)#00758E0.172
Achromatopsia (no color)#5D5D5D0.225

Harmonies

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

Complementary

The opposite hue (180°).

  • #154EDD

    #154EDD

    oklch(49.1% 0.225 263.6)

  • #7C5B00

    #7C5B00

    oklch(49.2% 0.101 83.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #154EDD

    #154EDD

    oklch(49.1% 0.225 263.6)

  • #006991

    #006991

    oklch(49% 0.102 233.6)

  • #6D31D0

    #6D31D0

    oklch(49.1% 0.224 293.5)

Open the analogous palette in the generator

Split complementary

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

  • #154EDD

    #154EDD

    oklch(49.1% 0.225 263.6)

  • #954900

    #954900

    oklch(49.2% 0.124 53.7)

  • #616700

    #616700

    oklch(49.2% 0.11 113.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #154EDD

    #154EDD

    oklch(49.1% 0.225 263.6)

  • #B70022

    #B70022

    oklch(49.2% 0.199 23.5)

  • #007610

    #007610

    oklch(49.1% 0.161 143.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #154EDD

    #154EDD

    oklch(49.1% 0.225 263.6)

  • #AE0069

    #AE0069

    oklch(49.1% 0.203 353.8)

  • #7C5B00

    #7C5B00

    oklch(49.2% 0.101 83.9)

  • #00725C

    #00725C

    oklch(49.2% 0.094 173.1)

Open the square palette in the generator

Palettes with this color

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

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

Similar named colors

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

Use #154EDD 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.