#2B3685#2B3685

#2B3685 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.132 H 272.3°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#2B3685
RGB	rgb(43, 54, 133)
HSL	hsl(233, 51%, 35%)
HSV	hsv(233, 68%, 52%)
CMYK	cmyk(67.7%, 59.4%, 0%, 47.8%)
CIE-LAB	lab(26.29, 22.69, -45.81)
CIE-LCH	lch(26.29, 51.12, 296.35°)
OKLab	oklab(37.34% 0.0054 -0.1318)
OKLCH	oklch(37.34% 0.132 272.3)
XYZ	xyz(6.5476, 4.8448, 22.7758)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3685 #857A2B

analogous

#2B6385 #2B3685 #4D2B85

triadic

#2B3685 #852B36 #36852B

tetradic

#2B3685 #852B63 #857A2B #2B854D

square

#2B3685 #852B63 #857A2B #2B854D

split-complementary

#2B3685 #854D2B #63852B

monochromatic

#0D1029 #1C2357 #2B3685 #3A49B3 #5F6CCB

Accessibility & contrast

On white

10.67

#2B3685 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2B3685 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3685

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3685	#FFFFFF	#000000	##FFFFFF
##2B3685	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004288

Deuteranopia (green-blind)

#003A83

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2b3685;
/* rgb */ color: rgb(43, 54, 133);
/* oklch */ color: oklch(37.3% 0.132 272.3);

Tailwind

colors: {
  custom: {
    50: '#706ca9',
    500: '#2b3685',
    950: '#000000',
  },
}

SCSS

$custom: #2b3685;
$custom-light: #706ca9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3685",
  "rgb": {
    "r": 43,
    "g": 54,
    "b": 133
  },
  "hsl": {
    "h": 232.667,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.37341,
    "c": 0.13196,
    "h": 272.3
  },
  "luminance": 0.04845
}

Semantic roles & 50–950 ramp

primary

#2B3685

secondary

#B1A75B

accent

#C94DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #2B3685

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

Preview Lab → · Contrast checker → · Palette generator →