#2B3877#2B3877

#2B3877 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.6% C 0.108 H 271.3°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#2B3877
RGB	rgb(43, 56, 119)
HSL	hsl(230, 47%, 32%)
HSV	hsv(230, 64%, 47%)
CMYK	cmyk(63.9%, 52.9%, 0%, 53.3%)
CIE-LAB	lab(25.78, 16.06, -37.82)
CIE-LCH	lch(25.78, 41.09, 293.00°)
OKLab	oklab(36.62% 0.0025 -0.1083)
OKLCH	oklch(36.62% 0.108 271.3)
XYZ	xyz(5.7391, 4.6734, 18.0488)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3877 #776A2B

analogous

#2B5E77 #2B3877 #442B77

triadic

#2B3877 #772B38 #38772B

tetradic

#2B3877 #772B5E #776A2B #2B7744

square

#2B3877 #772B5E #776A2B #2B7744

split-complementary

#2B3877 #77442B #5E772B

monochromatic

#0B0E1D #1B234A #2B3877 #3B4DA4 #596BC3

Accessibility & contrast

On white

10.85

#2B3877 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#2B3877 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3877

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3877	#FFFFFF	#000000	##FFFFFF
##2B3877	1.00	10.85	1.93	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154179

Deuteranopia (green-blind)

#033A76

Tritanopia (blue-blind)

#004752

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2b3877;
/* rgb */ color: rgb(43, 56, 119);
/* oklch */ color: oklch(36.6% 0.108 271.3);

Tailwind

colors: {
  custom: {
    50: '#6d6e9f',
    500: '#2b3877',
    950: '#000000',
  },
}

SCSS

$custom: #2b3877;
$custom-light: #6d6e9f;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3877",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 119
  },
  "hsl": {
    "h": 229.737,
    "s": 46.914,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36624,
    "c": 0.10835,
    "h": 271.3
  },
  "luminance": 0.04674
}

Semantic roles & 50–950 ramp

primary

#2B3877

secondary

#A99A55

accent

#C051D7

background

#F6F6F9

surface

#ECEBF2

border

#C7C6CC

text

#07070E

muted

#7A7A7E

Preview Lab

Preview with #2B3877

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

Preview Lab → · Contrast checker → · Palette generator →