#2A38A8#2A38A8

#2A38A8 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.8% C 0.178 H 270.5°. Best body text is #FFFFFF at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#2A38A8
RGB	rgb(42, 56, 168)
HSL	hsl(233, 60%, 41%)
HSV	hsv(233, 75%, 66%)
CMYK	cmyk(75%, 66.7%, 0%, 34.1%)
CIE-LAB	lab(29.78, 34.18, -61.54)
CIE-LCH	lch(29.78, 70.40, 299.05°)
OKLab	oklab(40.84% 0.0015 -0.178)
OKLCH	oklch(40.84% 0.178 270.5)
XYZ	xyz(9.4345, 6.1467, 37.7274)
Luminance	0.0615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A38A8 #A89A2A

analogous

#2A77A8 #2A38A8 #5B2AA8

triadic

#2A38A8 #A82A38 #38A82A

tetradic

#2A38A8 #A82A77 #A89A2A #2AA85B

square

#2A38A8 #A82A77 #A89A2A #2AA85B

split-complementary

#2A38A8 #A85B2A #77A82A

monochromatic

#121746 #1E2877 #2A38A8 #4050CF #717DDB

Accessibility & contrast

On white

9.42

#2A38A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#2A38A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A38A8

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A38A8	#FFFFFF	#000000	##FFFFFF
##2A38A8	1.00	9.42	2.23	9.42
#FFFFFF	9.42	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAC

Deuteranopia (green-blind)

#0040A6

Tritanopia (blue-blind)

#00566B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #2a38a8;
/* rgb */ color: rgb(42, 56, 168);
/* oklch */ color: oklch(40.8% 0.178 270.5);

Tailwind

colors: {
  custom: {
    50: '#776fc3',
    500: '#2a38a8',
    950: '#000000',
  },
}

SCSS

$custom: #2a38a8;
$custom-light: #776fc3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a38a8",
  "rgb": {
    "r": 42,
    "g": 56,
    "b": 168
  },
  "hsl": {
    "h": 233.333,
    "s": 60,
    "l": 41.176
  },
  "oklch": {
    "l": 0.4084,
    "c": 0.17801,
    "h": 270.5
  },
  "luminance": 0.06148
}

Semantic roles & 50–950 ramp

primary

#2A38A8

secondary

#C3B96B

accent

#D245E3

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0713

muted

#7C7A82

Preview Lab

Preview with #2A38A8

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

Preview Lab → · Contrast checker → · Palette generator →