#2A237B#2A237B

#2A237B is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.8% C 0.143 H 278.6°. Best body text is #FFFFFF at 12.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A237B
RGB	rgb(42, 35, 123)
HSL	hsl(245, 56%, 31%)
HSV	hsv(245, 72%, 48%)
CMYK	cmyk(65.9%, 71.5%, 0%, 51.8%)
CIE-LAB	lab(20.53, 31.48, -48.91)
CIE-LCH	lch(20.53, 58.16, 302.77°)
OKLab	oklab(32.83% 0.0214 -0.1411)
OKLCH	oklch(32.83% 0.143 278.6)
XYZ	xyz(5.1299, 3.1240, 19.0677)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A237B #747B23

analogous

#23487B #2A237B #56237B

triadic

#2A237B #7B2A23 #237B2A

tetradic

#2A237B #7B2348 #747B23 #237B56

square

#2A237B #7B2348 #747B23 #237B56

split-complementary

#2A237B #7B5623 #487B23

monochromatic

#09081C #1A154B #2A237B #3A31AB #564CCC

Accessibility & contrast

On white

12.92

#2A237B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#2A237B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A237B

12.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A237B	#FFFFFF	#000000	##FFFFFF
##2A237B	1.00	12.92	1.62	12.92
#FFFFFF	12.92	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#002E79

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2a237b;
/* rgb */ color: rgb(42, 35, 123);
/* oklch */ color: oklch(32.8% 0.143 278.6);

Tailwind

colors: {
  custom: {
    50: '#6f5fa2',
    500: '#2a237b',
    950: '#000000',
  },
}

SCSS

$custom: #2a237b;
$custom-light: #6f5fa2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a237b",
  "rgb": {
    "r": 42,
    "g": 35,
    "b": 123
  },
  "hsl": {
    "h": 244.773,
    "s": 55.696,
    "l": 30.98
  },
  "oklch": {
    "l": 0.32832,
    "c": 0.14268,
    "h": 278.6
  },
  "luminance": 0.03124
}

Semantic roles & 50–950 ramp

primary

#2A237B

secondary

#A6AE4C

accent

#DF49D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #2A237B

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

Preview Lab → · Contrast checker → · Palette generator →