#2B3585#2B3585

#2B3585 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.133 H 272.7°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#2B3585
RGB	rgb(43, 53, 133)
HSL	hsl(233, 51%, 35%)
HSV	hsv(233, 68%, 52%)
CMYK	cmyk(67.7%, 60.2%, 0%, 47.8%)
CIE-LAB	lab(26.02, 23.37, -46.25)
CIE-LCH	lch(26.02, 51.82, 296.81°)
OKLab	oklab(37.14% 0.0063 -0.1331)
OKLCH	oklch(37.14% 0.133 272.7)
XYZ	xyz(6.5016, 4.7527, 22.7605)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3585 #857B2B

analogous

#2B6285 #2B3585 #4E2B85

triadic

#2B3585 #852B35 #35852B

tetradic

#2B3585 #852B62 #857B2B #2B854E

square

#2B3585 #852B62 #857B2B #2B854E

split-complementary

#2B3585 #854E2B #62852B

monochromatic

#0D1029 #1C2357 #2B3585 #3A47B3 #5F6BCB

Accessibility & contrast

On white

10.77

#2B3585 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#2B3585 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3585

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3585	#FFFFFF	#000000	##FFFFFF
##2B3585	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004288

Deuteranopia (green-blind)

#003A83

Tritanopia (blue-blind)

#004957

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3585;
/* rgb */ color: rgb(43, 53, 133);
/* oklch */ color: oklch(37.1% 0.133 272.7);

Tailwind

colors: {
  custom: {
    50: '#706ca9',
    500: '#2b3585',
    950: '#000000',
  },
}

SCSS

$custom: #2b3585;
$custom-light: #706ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3585",
  "rgb": {
    "r": 43,
    "g": 53,
    "b": 133
  },
  "hsl": {
    "h": 233.333,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.3714,
    "c": 0.1333,
    "h": 272.7
  },
  "luminance": 0.04753
}

Semantic roles & 50–950 ramp

primary

#2B3585

secondary

#B1A85B

accent

#CB4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3585

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

Preview Lab → · Contrast checker → · Palette generator →