#2B3985#2B3985

#2B3985 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 38.0% C 0.128 H 271.1°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#2B3985
RGB	rgb(43, 57, 133)
HSL	hsl(231, 51%, 35%)
HSV	hsv(231, 68%, 52%)
CMYK	cmyk(67.7%, 57.1%, 0%, 47.8%)
CIE-LAB	lab(27.11, 20.64, -44.48)
CIE-LCH	lch(27.11, 49.04, 294.90°)
OKLab	oklab(37.96% 0.0025 -0.1279)
OKLCH	oklch(37.96% 0.128 271.1)
XYZ	xyz(6.6916, 5.1327, 22.8238)
Luminance	0.0513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3985 #85772B

analogous

#2B6685 #2B3985 #4A2B85

triadic

#2B3985 #852B39 #39852B

tetradic

#2B3985 #852B66 #85772B #2B854A

square

#2B3985 #852B66 #85772B #2B854A

split-complementary

#2B3985 #854A2B #66852B

monochromatic

#0D1129 #1C2557 #2B3985 #3A4DB3 #5F70CB

Accessibility & contrast

On white

10.36

#2B3985 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#2B3985 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3985

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3985	#FFFFFF	#000000	##FFFFFF
##2B3985	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004488

Deuteranopia (green-blind)

#003C83

Tritanopia (blue-blind)

#004B59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2b3985;
/* rgb */ color: rgb(43, 57, 133);
/* oklch */ color: oklch(38.0% 0.128 271.1);

Tailwind

colors: {
  custom: {
    50: '#6f6fa9',
    500: '#2b3985',
    950: '#000000',
  },
}

SCSS

$custom: #2b3985;
$custom-light: #6f6fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3985",
  "rgb": {
    "r": 43,
    "g": 57,
    "b": 133
  },
  "hsl": {
    "h": 230.667,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37955,
    "c": 0.12792,
    "h": 271.1
  },
  "luminance": 0.05133
}

Semantic roles & 50–950 ramp

primary

#2B3985

secondary

#B1A45B

accent

#C54DDB

background

#F7F6FA

surface

#EDECF4

border

#C8C7CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3985

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

Preview Lab → · Contrast checker → · Palette generator →