#2428AE#2428AE

#2428AE is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.6% C 0.204 H 270.6°. Best body text is #FFFFFF at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#2428AE
RGB	rgb(36, 40, 174)
HSL	hsl(238, 66%, 41%)
HSV	hsv(238, 79%, 68%)
CMYK	cmyk(79.3%, 77%, 0%, 31.8%)
CIE-LAB	lab(26.59, 45.38, -70.42)
CIE-LCH	lch(26.59, 83.78, 302.80°)
OKLab	oklab(38.64% 0.002 -0.2039)
OKLCH	oklch(38.64% 0.204 270.6)
XYZ	xyz(9.1237, 4.9476, 40.5103)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428AE #AEAA24

analogous

#246DAE #2428AE #6524AE

triadic

#2428AE #AE2428 #28AE24

tetradic

#2428AE #AE246D #AEAA24 #24AE65

square

#2428AE #AE246D #AEAA24 #24AE65

split-complementary

#2428AE #AE6524 #6DAE24

monochromatic

#0F1149 #1A1C7B #2428AE #393ED6 #6C6FE1

Accessibility & contrast

On white

10.55

#2428AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2428AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428AE

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428AE	#FFFFFF	#000000	##FFFFFF
##2428AE	1.00	10.55	1.99	10.55
#FFFFFF	10.55	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B2

Deuteranopia (green-blind)

#0038AC

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2428ae;
/* rgb */ color: rgb(36, 40, 174);
/* oklch */ color: oklch(38.6% 0.204 270.6);

Tailwind

colors: {
  custom: {
    50: '#7864c8',
    500: '#2428ae',
    950: '#000000',
  },
}

SCSS

$custom: #2428ae;
$custom-light: #7864c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2428ae",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 174
  },
  "hsl": {
    "h": 238.261,
    "s": 65.714,
    "l": 41.176
  },
  "oklch": {
    "l": 0.38644,
    "c": 0.20396,
    "h": 270.6
  },
  "luminance": 0.04949
}

Semantic roles & 50–950 ramp

primary

#2428AE

secondary

#C7C467

accent

#E43FE9

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2428AE

Body copy rendered with the generated semantic roles for this colour.

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