#2A237E#2A237E

#2A237E is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.1% C 0.147 H 278.2°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#2A237E
RGB	rgb(42, 35, 126)
HSL	hsl(245, 57%, 32%)
HSV	hsv(245, 72%, 49%)
CMYK	cmyk(66.7%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(20.83, 32.53, -50.33)
CIE-LCH	lch(20.83, 59.92, 302.87°)
OKLab	oklab(33.13% 0.0209 -0.1452)
OKLCH	oklch(33.13% 0.147 278.2)
XYZ	xyz(5.3206, 3.2002, 20.0719)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A237E #777E23

analogous

#234A7E #2A237E #58237E

triadic

#2A237E #7E2A23 #237E2A

tetradic

#2A237E #7E234A #777E23 #237E58

square

#2A237E #7E234A #777E23 #237E58

split-complementary

#2A237E #7E5823 #4A7E23

monochromatic

#0A081E #1A164E #2A237E #3A30AE #584ECE

Accessibility & contrast

On white

12.80

#2A237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2A237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A237E

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A237E	#FFFFFF	#000000	##FFFFFF
##2A237E	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003681

Deuteranopia (green-blind)

#002E7C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a237e;
/* rgb */ color: rgb(42, 35, 126);
/* oklch */ color: oklch(33.1% 0.147 278.2);

Tailwind

colors: {
  custom: {
    50: '#6f5fa4',
    500: '#2a237e',
    950: '#000000',
  },
}

SCSS

$custom: #2a237e;
$custom-light: #6f5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a237e",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 244.615,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33133,
    "c": 0.14672,
    "h": 278.2
  },
  "luminance": 0.03201
}

Semantic roles & 50–950 ramp

primary

#2A237E

secondary

#A9B04C

accent

#E048D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A237E

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

Preview Lab → · Contrast checker → · Palette generator →