#2A277C#2A277C

#2A277C is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.139 H 277.4°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#2A277C
RGB	rgb(42, 39, 124)
HSL	hsl(242, 52%, 32%)
HSV	hsv(242, 69%, 49%)
CMYK	cmyk(66.1%, 68.5%, 0%, 51.4%)
CIE-LAB	lab(21.57, 29.28, -47.84)
CIE-LCH	lch(21.57, 56.09, 301.47°)
OKLab	oklab(33.61% 0.0179 -0.1379)
OKLCH	oklch(33.61% 0.139 277.4)
XYZ	xyz(5.3173, 3.3981, 19.4406)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A277C #797C27

analogous

#274F7C #2A277C #55277C

triadic

#2A277C #7C2A27 #277C2A

tetradic

#2A277C #7C274F #797C27 #277C55

square

#2A277C #7C274F #797C27 #277C55

split-complementary

#2A277C #7C5527 #4F7C27

monochromatic

#0A0A1F #1A184D #2A277C #3A36AB #5854C9

Accessibility & contrast

On white

12.50

#2A277C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2A277C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A277C

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A277C	#FFFFFF	#000000	##FFFFFF
##2A277C	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#003D4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2a277c;
/* rgb */ color: rgb(42, 39, 124);
/* oklch */ color: oklch(33.6% 0.139 277.4);

Tailwind

colors: {
  custom: {
    50: '#6e61a3',
    500: '#2a277c',
    950: '#000000',
  },
}

SCSS

$custom: #2a277c;
$custom-light: #6e61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#2a277c",
  "rgb": {
    "r": 42,
    "g": 39,
    "b": 124
  },
  "hsl": {
    "h": 242.118,
    "s": 52.147,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33611,
    "c": 0.1391,
    "h": 277.4
  },
  "luminance": 0.03399
}

Semantic roles & 50–950 ramp

primary

#2A277C

secondary

#ABAE51

accent

#DC4CD7

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #2A277C

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

Preview Lab → · Contrast checker → · Palette generator →