#2A337E#2A337E

#2A337E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.126 H 273.1°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#2A337E
RGB	rgb(42, 51, 126)
HSL	hsl(234, 50%, 33%)
HSV	hsv(234, 67%, 49%)
CMYK	cmyk(66.7%, 59.5%, 0%, 50.6%)
CIE-LAB	lab(24.85, 21.95, -43.77)
CIE-LCH	lch(24.85, 48.97, 296.64°)
OKLab	oklab(36.07% 0.0069 -0.1259)
OKLCH	oklch(36.07% 0.126 273.1)
XYZ	xyz(5.9033, 4.3657, 20.2662)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A337E #7E752A

analogous

#2A5D7E #2A337E #4B2A7E

triadic

#2A337E #7E2A33 #337E2A

tetradic

#2A337E #7E2A5D #7E752A #2A7E4B

square

#2A337E #7E2A5D #7E752A #2A7E4B

split-complementary

#2A337E #7E4B2A #5D7E2A

monochromatic

#0B0E22 #1B2050 #2A337E #3946AC #5A66C8

Accessibility & contrast

On white

11.21

#2A337E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2A337E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A337E

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A337E	#FFFFFF	#000000	##FFFFFF
##2A337E	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F81

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a337e;
/* rgb */ color: rgb(42, 51, 126);
/* oklch */ color: oklch(36.1% 0.126 273.1);

Tailwind

colors: {
  custom: {
    50: '#6e6aa4',
    500: '#2a337e',
    950: '#000000',
  },
}

SCSS

$custom: #2a337e;
$custom-light: #6e6aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a337e",
  "rgb": {
    "r": 42,
    "g": 51,
    "b": 126
  },
  "hsl": {
    "h": 233.571,
    "s": 50,
    "l": 32.941
  },
  "oklch": {
    "l": 0.36072,
    "c": 0.12609,
    "h": 273.1
  },
  "luminance": 0.04366
}

Semantic roles & 50–950 ramp

primary

#2A337E

secondary

#AEA456

accent

#CB4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2A337E

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

Preview Lab → · Contrast checker → · Palette generator →