#2B3281#2B3281

#2B3281 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.2% C 0.132 H 273.9°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#2B3281
RGB	rgb(43, 50, 129)
HSL	hsl(235, 50%, 34%)
HSV	hsv(235, 67%, 51%)
CMYK	cmyk(66.7%, 61.2%, 0%, 49.4%)
CIE-LAB	lab(24.89, 23.93, -45.58)
CIE-LCH	lch(24.89, 51.48, 297.69°)
OKLab	oklab(36.2% 0.0091 -0.1312)
OKLCH	oklch(36.2% 0.132 273.9)
XYZ	xyz(6.0980, 4.3792, 21.2885)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B3281 #817A2B

analogous

#2B5D81 #2B3281 #4F2B81

triadic

#2B3281 #812B32 #32812B

tetradic

#2B3281 #812B5D #817A2B #2B814F

square

#2B3281 #812B5D #817A2B #2B814F

split-complementary

#2B3281 #814F2B #5D812B

monochromatic

#0C0E25 #1C2053 #2B3281 #3A44AF #5D66C9

Accessibility & contrast

On white

11.19

#2B3281 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2B3281 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B3281

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B3281	#FFFFFF	#000000	##FFFFFF
##2B3281	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F84

Deuteranopia (green-blind)

#00377F

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2b3281;
/* rgb */ color: rgb(43, 50, 129);
/* oklch */ color: oklch(36.2% 0.132 273.9);

Tailwind

colors: {
  custom: {
    50: '#6f69a6',
    500: '#2b3281',
    950: '#000000',
  },
}

SCSS

$custom: #2b3281;
$custom-light: #6f69a6;
$custom-dark: #000000;

JSON

{
  "hex": "#2b3281",
  "rgb": {
    "r": 43,
    "g": 50,
    "b": 129
  },
  "hsl": {
    "h": 235.116,
    "s": 50,
    "l": 33.725
  },
  "oklch": {
    "l": 0.36198,
    "c": 0.13153,
    "h": 273.9
  },
  "luminance": 0.0438
}

Semantic roles & 50–950 ramp

primary

#2B3281

secondary

#AFA859

accent

#CE4EDA

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #2B3281

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

Preview Lab → · Contrast checker → · Palette generator →