#2B3787#2B3787

#2B3787 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 37.7% C 0.134 H 271.9°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#2B3787
RGB	rgb(43, 55, 135)
HSL	hsl(232, 52%, 35%)
HSV	hsv(232, 68%, 53%)
CMYK	cmyk(68.1%, 59.3%, 0%, 47.1%)
CIE-LAB	lab(26.72, 22.76, -46.36)
CIE-LCH	lch(26.72, 51.64, 296.15°)
OKLab	oklab(37.71% 0.0045 -0.1334)
OKLCH	oklch(37.71% 0.134 271.9)
XYZ	xyz(6.7342, 4.9946, 23.5261)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3787 #877B2B

analogous

#2B6587 #2B3787 #4D2B87

triadic

#2B3787 #872B37 #37872B

tetradic

#2B3787 #872B65 #877B2B #2B874D

square

#2B3787 #872B65 #877B2B #2B874D

split-complementary

#2B3787 #874D2B #65872B

monochromatic

#0D112A #1C2459 #2B3787 #3A4AB5 #606ECC

Accessibility & contrast

On white

10.51

#2B3787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#2B3787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3787

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3787	#FFFFFF	#000000	##FFFFFF
##2B3787	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2b3787;
/* rgb */ color: rgb(43, 55, 135);
/* oklch */ color: oklch(37.7% 0.134 271.9);

Tailwind

colors: {
  custom: {
    50: '#706dab',
    500: '#2b3787',
    950: '#000000',
  },
}

SCSS

$custom: #2b3787;
$custom-light: #706dab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3787",
  "rgb": {
    "r": 43,
    "g": 55,
    "b": 135
  },
  "hsl": {
    "h": 232.174,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37713,
    "c": 0.13351,
    "h": 271.9
  },
  "luminance": 0.04995
}

Semantic roles & 50–950 ramp

primary

#2B3787

secondary

#B2A75B

accent

#C94DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3787

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

Preview Lab → · Contrast checker → · Palette generator →