#2B287D#2B287D

#2B287D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.0% C 0.139 H 277.6°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#2B287D
RGB	rgb(43, 40, 125)
HSL	hsl(242, 52%, 32%)
HSV	hsv(242, 68%, 49%)
CMYK	cmyk(65.6%, 68%, 0%, 51%)
CIE-LAB	lab(21.99, 29.14, -47.79)
CIE-LCH	lch(21.99, 55.98, 301.37°)
OKLab	oklab(33.96% 0.0183 -0.1378)
OKLCH	oklch(33.96% 0.139 277.6)
XYZ	xyz(5.4555, 3.5114, 19.7883)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B287D #7A7D28

analogous

#284F7D #2B287D #56287D

triadic

#2B287D #7D2B28 #287D2B

tetradic

#2B287D #7D284F #7A7D28 #287D56

square

#2B287D #7D284F #7A7D28 #287D56

split-complementary

#2B287D #7D5628 #4F7D28

monochromatic

#0B0A20 #1B194F #2B287D #3B37AB #5A56C9

Accessibility & contrast

On white

12.34

#2B287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2B287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B287D

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B287D	#FFFFFF	#000000	##FFFFFF
##2B287D	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #2b287d;
/* rgb */ color: rgb(43, 40, 125);
/* oklch */ color: oklch(34.0% 0.139 277.6);

Tailwind

colors: {
  custom: {
    50: '#6f62a3',
    500: '#2b287d',
    950: '#000000',
  },
}

SCSS

$custom: #2b287d;
$custom-light: #6f62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2b287d",
  "rgb": {
    "r": 43,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 242.118,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3396,
    "c": 0.13899,
    "h": 277.6
  },
  "luminance": 0.03512
}

Semantic roles & 50–950 ramp

primary

#2B287D

secondary

#ABAE53

accent

#DB4DD6

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2B287D

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

Preview Lab → · Contrast checker → · Palette generator →