#2A237D#2A237D

#2A237D is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.145 H 278.3°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#2A237D
RGB	rgb(42, 35, 125)
HSL	hsl(245, 56%, 31%)
HSV	hsv(245, 72%, 49%)
CMYK	cmyk(66.4%, 72%, 0%, 51%)
CIE-LAB	lab(20.73, 32.18, -49.86)
CIE-LCH	lch(20.73, 59.34, 302.84°)
OKLab	oklab(33.03% 0.021 -0.1438)
OKLCH	oklch(33.03% 0.145 278.3)
XYZ	xyz(5.2564, 3.1745, 19.7338)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A237D #767D23

analogous

#23497D #2A237D #57237D

triadic

#2A237D #7D2A23 #237D2A

tetradic

#2A237D #7D2349 #767D23 #237D57

square

#2A237D #7D2349 #767D23 #237D57

split-complementary

#2A237D #7D5723 #497D23

monochromatic

#0A081D #1A164D #2A237D #3A30AD #574DCD

Accessibility & contrast

On white

12.84

#2A237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#2A237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A237D

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A237D	#FFFFFF	#000000	##FFFFFF
##2A237D	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003580

Deuteranopia (green-blind)

#002E7B

Tritanopia (blue-blind)

#003B4D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #2a237d;
/* rgb */ color: rgb(42, 35, 125);
/* oklch */ color: oklch(33.0% 0.145 278.3);

Tailwind

colors: {
  custom: {
    50: '#6f5fa4',
    500: '#2a237d',
    950: '#000000',
  },
}

SCSS

$custom: #2a237d;
$custom-light: #6f5fa4;
$custom-dark: #000000;

JSON

{
  "hex": "#2a237d",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 244.667,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33033,
    "c": 0.14538,
    "h": 278.3
  },
  "luminance": 0.03175
}

Semantic roles & 50–950 ramp

primary

#2A237D

secondary

#A8AF4C

accent

#E048D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A237D

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

Preview Lab → · Contrast checker → · Palette generator →