#046AEC

Closest named color: Cerulean Blue (#056EEE). oklch(55.6% 0.213 258.9), rgb(4, 106, 236).

Aa

White text reads best on this color (4.90:1).

About this color

#046AEC is a medium-dark, vivid blue. In OKLCH its lightness is 56%, its chroma 0.213 and its hue 259°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.010 away. White text reads best on it, at 4.90:1.

Hue familyBlues
Lightnessmedium-dark (56%)
Chromavivid (0.213)
Temperaturecool
Nearest nameCerulean Blue (#056EEE)
Black text4.27:1
White text4.90:1

Values

HEX#046AEC
RGBrgb(4, 106, 236)
HSLhsl(214, 97%, 47%)
OKLCHoklch(55.6% 0.213 258.9)

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 #046AEC 4.90:1 AA Lc -78.5 Fine for body text
Black text on #046AEC 4.27:1 AA large text Lc 31.0 Non-text elements, placeholder text
#046AEC text on white 4.90:1 AA Lc 73.1 Content text, not long reading
#046AEC text on black 4.27:1 AA large text Lc -28.6 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 600.

  1. Step 50

    50

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C4DBFD

    oklch(88.5% 0.053 258)

  4. Step 300

    300

    #9BC2FF

    oklch(80.8% 0.097 259.2)

  5. Step 400

    400

    #63A0FF

    oklch(70.7% 0.154 259)

  6. Step 500

    500

    #3584FD

    oklch(63% 0.196 259.1)

  7. Step 600

    600 (this color)

    #046AEC

    oklch(55.6% 0.213 258.9)

  8. Step 700

    700

    #0058C9

    oklch(49% 0.19 259)

  9. Step 800

    800

    #0148A6

    oklch(42.6% 0.164 259)

  10. Step 900

    900

    #0F3E84

    oklch(37.8% 0.128 259)

  11. Step 950

    950

    #0B254D

    oklch(27% 0.081 259)

Export this scale for Tailwind in the Tailwind colors tool

#046AEC 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)#007BF00.043
Deuteranopia (no green cones)#0068EA0.006
Tritanopia (no blue cones)#008BA10.160
Achromatopsia (no color)#7171710.213

Harmonies

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

Complementary

The opposite hue (180°).

  • #046AEC

    #046AEC

    oklch(55.6% 0.213 258.9)

  • #976A00

    #976A00

    oklch(55.7% 0.116 79.3)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #046AEC

    #046AEC

    oklch(55.6% 0.213 258.9)

  • #007EA6

    #007EA6

    oklch(55.5% 0.11 229.3)

  • #7550E4

    #7550E4

    oklch(55.4% 0.213 289)

Open the analogous palette in the generator

Split complementary

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

  • #046AEC

    #046AEC

    oklch(55.6% 0.213 258.9)

  • #B65200

    #B65200

    oklch(55.7% 0.149 48.9)

  • #797800

    #797800

    oklch(55.5% 0.121 109.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #046AEC

    #046AEC

    oklch(55.6% 0.213 258.9)

  • #D3183E

    #D3183E

    oklch(55.6% 0.213 19)

  • #308900

    #308900

    oklch(55.4% 0.175 138.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #046AEC

    #046AEC

    oklch(55.6% 0.213 258.9)

  • #C42287

    #C42287

    oklch(55.5% 0.213 348.7)

  • #976A00

    #976A00

    oklch(55.7% 0.116 79.3)

  • #008868

    #008868

    oklch(55.7% 0.112 168.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #046AEC, closest first.

Similar named colors

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

Use #046AEC 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.