#2B3385#2B3385

#2B3385 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.7% C 0.136 H 273.4°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#2B3385
RGB	rgb(43, 51, 133)
HSL	hsl(235, 51%, 35%)
HSV	hsv(235, 68%, 52%)
CMYK	cmyk(67.7%, 61.7%, 0%, 47.8%)
CIE-LAB	lab(25.49, 24.73, -47.12)
CIE-LCH	lch(25.49, 53.21, 297.69°)
OKLab	oklab(36.74% 0.0081 -0.1357)
OKLCH	oklch(36.74% 0.136 273.4)
XYZ	xyz(6.4123, 4.5741, 22.7307)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3385 #857D2B

analogous

#2B6085 #2B3385 #502B85

triadic

#2B3385 #852B33 #33852B

tetradic

#2B3385 #852B60 #857D2B #2B8550

square

#2B3385 #852B60 #857D2B #2B8550

split-complementary

#2B3385 #85502B #60852B

monochromatic

#0D1029 #1C2157 #2B3385 #3A45B3 #5F69CB

Accessibility & contrast

On white

10.97

#2B3385 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2B3385 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3385

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3385	#FFFFFF	#000000	##FFFFFF
##2B3385	1.00	10.97	1.92	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004188

Deuteranopia (green-blind)

#003883

Tritanopia (blue-blind)

#004757

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2b3385;
/* rgb */ color: rgb(43, 51, 133);
/* oklch */ color: oklch(36.7% 0.136 273.4);

Tailwind

colors: {
  custom: {
    50: '#706aa9',
    500: '#2b3385',
    950: '#000000',
  },
}

SCSS

$custom: #2b3385;
$custom-light: #706aa9;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3385",
  "rgb": {
    "r": 43,
    "g": 51,
    "b": 133
  },
  "hsl": {
    "h": 234.667,
    "s": 51.136,
    "l": 34.51
  },
  "oklch": {
    "l": 0.36745,
    "c": 0.13596,
    "h": 273.4
  },
  "luminance": 0.04575
}

Semantic roles & 50–950 ramp

primary

#2B3385

secondary

#B1AA5B

accent

#CE4DDB

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080610

muted

#7B7A7F

Preview Lab

Preview with #2B3385

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

Preview Lab → · Contrast checker → · Palette generator →