#2428AC#2428AC

#2428AC is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.4% C 0.202 H 270.7°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#2428AC
RGB	rgb(36, 40, 172)
HSL	hsl(238, 65%, 41%)
HSV	hsv(238, 79%, 67%)
CMYK	cmyk(79.1%, 76.7%, 0%, 32.5%)
CIE-LAB	lab(26.36, 44.71, -69.59)
CIE-LCH	lch(26.36, 82.72, 302.72°)
OKLab	oklab(38.42% 0.0024 -0.2015)
OKLCH	oklch(38.42% 0.202 270.7)
XYZ	xyz(8.9302, 4.8702, 39.4911)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428AC #ACA824

analogous

#246CAC #2428AC #6424AC

triadic

#2428AC #AC2428 #28AC24

tetradic

#2428AC #AC246C #ACA824 #24AC64

square

#2428AC #AC246C #ACA824 #24AC64

split-complementary

#2428AC #AC6424 #6CAC24

monochromatic

#0F1047 #191C79 #2428AC #383DD5 #6A6EE0

Accessibility & contrast

On white

10.64

#2428AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2428AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428AC

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428AC	#FFFFFF	#000000	##FFFFFF
##2428AC	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B0

Deuteranopia (green-blind)

#0037AA

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2428ac;
/* rgb */ color: rgb(36, 40, 172);
/* oklch */ color: oklch(38.4% 0.202 270.7);

Tailwind

colors: {
  custom: {
    50: '#7864c6',
    500: '#2428ac',
    950: '#000000',
  },
}

SCSS

$custom: #2428ac;
$custom-light: #7864c6;
$custom-dark: #000000;

JSON

{
  "hex": "#2428ac",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 172
  },
  "hsl": {
    "h": 238.235,
    "s": 65.385,
    "l": 40.784
  },
  "oklch": {
    "l": 0.3842,
    "c": 0.20154,
    "h": 270.7
  },
  "luminance": 0.04871
}

Semantic roles & 50–950 ramp

primary

#2428AC

secondary

#C6C366

accent

#E33FE8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2428AC

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

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