#2428AA#2428AA

#2428AA is a dark, vivid blue. Relative luminance 0.048; OKLCH L 38.2% C 0.199 H 270.8°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#2428AA
RGB	rgb(36, 40, 170)
HSL	hsl(238, 65%, 40%)
HSV	hsv(238, 79%, 67%)
CMYK	cmyk(78.8%, 76.5%, 0%, 33.3%)
CIE-LAB	lab(26.14, 44.04, -68.76)
CIE-LCH	lch(26.14, 81.65, 302.64°)
OKLab	oklab(38.2% 0.0027 -0.1991)
OKLCH	oklch(38.2% 0.199 270.8)
XYZ	xyz(8.7396, 4.7940, 38.4871)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2428AA #AAA624

analogous

#246BAA #2428AA #6324AA

triadic

#2428AA #AA2428 #28AA24

tetradic

#2428AA #AA246B #AAA624 #24AA63

square

#2428AA #AA246B #AAA624 #24AA63

split-complementary

#2428AA #AA6324 #6BAA24

monochromatic

#0F1045 #191C77 #2428AA #373BD5 #696DDF

Accessibility & contrast

On white

10.72

#2428AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#2428AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2428AA

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2428AA	#FFFFFF	#000000	##FFFFFF
##2428AA	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044AE

Deuteranopia (green-blind)

#0037A8

Tritanopia (blue-blind)

#004F67

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2428aa;
/* rgb */ color: rgb(36, 40, 170);
/* oklch */ color: oklch(38.2% 0.199 270.8);

Tailwind

colors: {
  custom: {
    50: '#7764c5',
    500: '#2428aa',
    950: '#000000',
  },
}

SCSS

$custom: #2428aa;
$custom-light: #7764c5;
$custom-dark: #000000;

JSON

{
  "hex": "#2428aa",
  "rgb": {
    "r": 36,
    "g": 40,
    "b": 170
  },
  "hsl": {
    "h": 238.209,
    "s": 65.049,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38198,
    "c": 0.19913,
    "h": 270.8
  },
  "luminance": 0.04795
}

Semantic roles & 50–950 ramp

primary

#2428AA

secondary

#C5C265

accent

#E340E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2428AA

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

Preview Lab → · Contrast checker → · Palette generator →