#2B3887#2B3887

#2B3887 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.9% C 0.132 H 271.5°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B3887
RGB	rgb(43, 56, 135)
HSL	hsl(232, 52%, 35%)
HSV	hsv(232, 68%, 53%)
CMYK	cmyk(68.1%, 58.5%, 0%, 47.1%)
CIE-LAB	lab(26.99, 22.08, -45.92)
CIE-LCH	lch(26.99, 50.95, 295.68°)
OKLab	oklab(37.92% 0.0036 -0.1321)
OKLCH	oklch(37.92% 0.132 271.5)
XYZ	xyz(6.7821, 5.0906, 23.5421)
Luminance	0.0509 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3887 #877A2B

analogous

#2B6687 #2B3887 #4C2B87

triadic

#2B3887 #872B38 #38872B

tetradic

#2B3887 #872B66 #877A2B #2B874C

square

#2B3887 #872B66 #877A2B #2B874C

split-complementary

#2B3887 #874C2B #66872B

monochromatic

#0D112A #1C2559 #2B3887 #3A4BB5 #606FCC

Accessibility & contrast

On white

10.41

#2B3887 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2B3887 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3887

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3887	#FFFFFF	#000000	##FFFFFF
##2B3887	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448A

Deuteranopia (green-blind)

#003C85

Tritanopia (blue-blind)

#004B5A

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3887;
/* rgb */ color: rgb(43, 56, 135);
/* oklch */ color: oklch(37.9% 0.132 271.5);

Tailwind

colors: {
  custom: {
    50: '#706eab',
    500: '#2b3887',
    950: '#000000',
  },
}

SCSS

$custom: #2b3887;
$custom-light: #706eab;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3887",
  "rgb": {
    "r": 43,
    "g": 56,
    "b": 135
  },
  "hsl": {
    "h": 231.522,
    "s": 51.685,
    "l": 34.902
  },
  "oklch": {
    "l": 0.37916,
    "c": 0.13218,
    "h": 271.5
  },
  "luminance": 0.05091
}

Semantic roles & 50–950 ramp

primary

#2B3887

secondary

#B2A65B

accent

#C74DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3887

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

Preview Lab → · Contrast checker → · Palette generator →