#2A337D#2A337D

#2A337D is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.0% C 0.125 H 273.2°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2A337D
RGB	rgb(42, 51, 125)
HSL	hsl(233, 50%, 33%)
HSV	hsv(233, 66%, 49%)
CMYK	cmyk(66.4%, 59.2%, 0%, 51%)
CIE-LAB	lab(24.77, 21.58, -43.27)
CIE-LCH	lch(24.77, 48.35, 296.51°)
OKLab	oklab(35.99% 0.0069 -0.1244)
OKLCH	oklch(35.99% 0.125 273.2)
XYZ	xyz(5.8391, 4.3401, 19.9281)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A337D #7D742A

analogous

#2A5C7D #2A337D #4A2A7D

triadic

#2A337D #7D2A33 #337D2A

tetradic

#2A337D #7D2A5C #7D742A #2A7D4A

square

#2A337D #7D2A5C #7D742A #2A7D4A

split-complementary

#2A337D #7D4A2A #5C7D2A

monochromatic

#0B0E21 #1B204F #2A337D #3946AB #5A66C8

Accessibility & contrast

On white

11.24

#2A337D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2A337D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A337D

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A337D	#FFFFFF	#000000	##FFFFFF
##2A337D	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F80

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004552

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a337d;
/* rgb */ color: rgb(42, 51, 125);
/* oklch */ color: oklch(36.0% 0.125 273.2);

Tailwind

colors: {
  custom: {
    50: '#6e6aa3',
    500: '#2a337d',
    950: '#000000',
  },
}

SCSS

$custom: #2a337d;
$custom-light: #6e6aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a337d",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 125
  },
  "hsl": {
    "h": 233.494,
    "s": 49.701,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35987,
    "c": 0.12462,
    "h": 273.2
  },
  "luminance": 0.04341
}

Semantic roles & 50–950 ramp

primary

#2A337D

secondary

#ADA456

accent

#CA4FD9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A337D

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

Preview Lab → · Contrast checker → · Palette generator →