#2B3577#2B3577

#2B3577 is a dark, moderate blue. Relative luminance 0.044; OKLCH L 36.0% C 0.113 H 272.9°. Best body text is #FFFFFF at 11.18:1 contrast (WCAG AA passes).

Color values

HEX	#2B3577
RGB	rgb(43, 53, 119)
HSL	hsl(232, 47%, 32%)
HSV	hsv(232, 64%, 47%)
CMYK	cmyk(63.9%, 55.5%, 0%, 53.3%)
CIE-LAB	lab(24.93, 18.14, -39.21)
CIE-LCH	lch(24.93, 43.20, 294.82°)
OKLab	oklab(35.98% 0.0058 -0.1124)
OKLCH	oklch(35.98% 0.113 272.9)
XYZ	xyz(5.5980, 4.3913, 18.0018)
Luminance	0.0439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3577 #776D2B

analogous

#2B5B77 #2B3577 #472B77

triadic

#2B3577 #772B35 #35772B

tetradic

#2B3577 #772B5B #776D2B #2B7747

square

#2B3577 #772B5B #776D2B #2B7747

split-complementary

#2B3577 #77472B #5B772B

monochromatic

#0B0D1D #1B214A #2B3577 #3B49A4 #5967C3

Accessibility & contrast

On white

11.18

#2B3577 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B3577 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3577

11.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3577	#FFFFFF	#000000	##FFFFFF
##2B3577	1.00	11.18	1.88	11.18
#FFFFFF	11.18	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B3F79

Deuteranopia (green-blind)

#003876

Tritanopia (blue-blind)

#004450

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3577;
/* rgb */ color: rgb(43, 53, 119);
/* oklch */ color: oklch(36.0% 0.113 272.9);

Tailwind

colors: {
  custom: {
    50: '#6d6c9f',
    500: '#2b3577',
    950: '#000000',
  },
}

SCSS

$custom: #2b3577;
$custom-light: #6d6c9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3577",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 119
  },
  "hsl": {
    "h": 232.105,
    "s": 46.914,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35977,
    "c": 0.11259,
    "h": 272.9
  },
  "luminance": 0.04392
}

Semantic roles & 50–950 ramp

primary

#2B3577

secondary

#A99E55

accent

#C551D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07060E

muted

#7A7A7E

Preview Lab

Preview with #2B3577

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

Preview Lab → · Contrast checker → · Palette generator →