#2A337B#2A337B

#2A337B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.122 H 273.2°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#2A337B
RGB	rgb(42, 51, 123)
HSL	hsl(233, 49%, 32%)
HSV	hsv(233, 66%, 48%)
CMYK	cmyk(65.9%, 58.5%, 0%, 51.8%)
CIE-LAB	lab(24.61, 20.83, -42.26)
CIE-LCH	lch(24.61, 47.12, 296.24°)
OKLab	oklab(35.82% 0.0069 -0.1215)
OKLCH	oklch(35.82% 0.122 273.2)
XYZ	xyz(5.7126, 4.2895, 19.2620)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A337B #7B722A

analogous

#2A5C7B #2A337B #492A7B

triadic

#2A337B #7B2A33 #337B2A

tetradic

#2A337B #7B2A5C #7B722A #2A7B49

square

#2A337B #7B2A5C #7B722A #2A7B49

split-complementary

#2A337B #7B492A #5C7B2A

monochromatic

#0B0D20 #1A204D #2A337B #3A46A9 #5965C6

Accessibility & contrast

On white

11.30

#2A337B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#2A337B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A337B

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A337B	#FFFFFF	#000000	##FFFFFF
##2A337B	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E7D

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#004451

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #2a337b;
/* rgb */ color: rgb(42, 51, 123);
/* oklch */ color: oklch(35.8% 0.122 273.2);

Tailwind

colors: {
  custom: {
    50: '#6d6aa2',
    500: '#2a337b',
    950: '#000000',
  },
}

SCSS

$custom: #2a337b;
$custom-light: #6d6aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a337b",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 123
  },
  "hsl": {
    "h": 233.333,
    "s": 49.091,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35818,
    "c": 0.12166,
    "h": 273.2
  },
  "luminance": 0.0429
}

Semantic roles & 50–950 ramp

primary

#2A337B

secondary

#ACA255

accent

#C94FD9

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #2A337B

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

Preview Lab → · Contrast checker → · Palette generator →