#2A287D#2A287D

#2A287D is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.139 H 277.0°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#2A287D
RGB	rgb(42, 40, 125)
HSL	hsl(241, 52%, 32%)
HSV	hsv(241, 68%, 49%)
CMYK	cmyk(66.4%, 68%, 0%, 51%)
CIE-LAB	lab(21.91, 28.99, -47.92)
CIE-LCH	lch(21.91, 56.01, 301.17°)
OKLab	oklab(33.88% 0.017 -0.1382)
OKLCH	oklch(33.88% 0.139 277)
XYZ	xyz(5.4141, 3.4900, 19.7864)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A287D #7B7D28

analogous

#28507D #2A287D #55287D

triadic

#2A287D #7D2A28 #287D2A

tetradic

#2A287D #7D2850 #7B7D28 #287D55

square

#2A287D #7D2850 #7B7D28 #287D55

split-complementary

#2A287D #7D5528 #507D28

monochromatic

#0B0A20 #1A194F #2A287D #3A37AB #5956C9

Accessibility & contrast

On white

12.37

#2A287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#2A287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A287D

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A287D	#FFFFFF	#000000	##FFFFFF
##2A287D	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00317B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a287d;
/* rgb */ color: rgb(42, 40, 125);
/* oklch */ color: oklch(33.9% 0.139 277.0);

Tailwind

colors: {
  custom: {
    50: '#6f62a3',
    500: '#2a287d',
    950: '#000000',
  },
}

SCSS

$custom: #2a287d;
$custom-light: #6f62a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a287d",
  "rgb": {
    "r": 42,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 241.412,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33884,
    "c": 0.13923,
    "h": 277
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#2A287D

secondary

#ACAE53

accent

#DB4DD8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A287D

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

Preview Lab → · Contrast checker → · Palette generator →