#2A279D#2A279D

#2A279D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.182 H 273.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#2A279D
RGB	rgb(42, 39, 157)
HSL	hsl(242, 60%, 38%)
HSV	hsv(242, 75%, 62%)
CMYK	cmyk(73.2%, 75.2%, 0%, 38.4%)
CIE-LAB	lab(24.88, 40.74, -62.94)
CIE-LCH	lch(24.88, 74.98, 302.91°)
OKLab	oklab(36.98% 0.0126 -0.1821)
OKLCH	oklch(36.98% 0.182 273.9)
XYZ	xyz(7.7641, 4.3768, 32.3274)
Luminance	0.0438 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A279D #9A9D27

analogous

#275F9D #2A279D #65279D

triadic

#2A279D #9D2A27 #279D2A

tetradic

#2A279D #9D275F #9A9D27 #279D65

square

#2A279D #9D275F #9A9D27 #279D65

split-complementary

#2A279D #9D6527 #5F9D27

monochromatic

#100F3B #1D1B6C #2A279D #3835CD #6866D9

Accessibility & contrast

On white

11.20

#2A279D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#2A279D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A279D

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A279D	#FFFFFF	#000000	##FFFFFF
##2A279D	1.00	11.20	1.88	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040A0

Deuteranopia (green-blind)

#00359B

Tritanopia (blue-blind)

#004960

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2a279d;
/* rgb */ color: rgb(42, 39, 157);
/* oklch */ color: oklch(37.0% 0.182 273.9);

Tailwind

colors: {
  custom: {
    50: '#7663bb',
    500: '#2a279d',
    950: '#000000',
  },
}

SCSS

$custom: #2a279d;
$custom-light: #7663bb;
$custom-dark: #000000;

JSON

{
  "hex": "#2a279d",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 157
  },
  "hsl": {
    "h": 241.525,
    "s": 60.204,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36983,
    "c": 0.18249,
    "h": 273.9
  },
  "luminance": 0.04378
}

Semantic roles & 50–950 ramp

primary

#2A279D

secondary

#BCBF61

accent

#E344DF

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2A279D

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

Preview Lab → · Contrast checker → · Palette generator →