#2D279A#2D279A

#2D279A is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.9% C 0.178 H 275.5°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#2D279A
RGB	rgb(45, 39, 154)
HSL	hsl(243, 60%, 38%)
HSV	hsv(243, 75%, 60%)
CMYK	cmyk(70.8%, 74.7%, 0%, 39.6%)
CIE-LAB	lab(24.77, 40.04, -61.28)
CIE-LCH	lch(24.77, 73.20, 303.16°)
OKLab	oklab(36.86% 0.017 -0.1771)
OKLCH	oklch(36.86% 0.178 275.5)
XYZ	xyz(7.6385, 4.3413, 31.0010)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D279A #949A27

analogous

#275B9A #2D279A #66279A

triadic

#2D279A #9A2D27 #279A2D

tetradic

#2D279A #9A275B #949A27 #279A66

square

#2D279A #9A275B #949A27 #279A66

split-complementary

#2D279A #9A6627 #5B9A27

monochromatic

#100E38 #1F1B69 #2D279A #3B33CB #6A64D8

Accessibility & contrast

On white

11.24

#2D279A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2D279A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D279A

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D279A	#FFFFFF	#000000	##FFFFFF
##2D279A	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409D

Deuteranopia (green-blind)

#003698

Tritanopia (blue-blind)

#00485E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2d279a;
/* rgb */ color: rgb(45, 39, 154);
/* oklch */ color: oklch(36.9% 0.178 275.5);

Tailwind

colors: {
  custom: {
    50: '#7763b9',
    500: '#2d279a',
    950: '#000000',
  },
}

SCSS

$custom: #2d279a;
$custom-light: #7763b9;
$custom-dark: #000000;

JSON

{
  "hex": "#2d279a",
  "rgb": {
    "r": 45,
    "g": 39,
    "b": 154
  },
  "hsl": {
    "h": 243.13,
    "s": 59.585,
    "l": 37.843
  },
  "oklch": {
    "l": 0.36864,
    "c": 0.17796,
    "h": 275.5
  },
  "luminance": 0.04342
}

Semantic roles & 50–950 ramp

primary

#2D279A

secondary

#B8BD5F

accent

#E345DB

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2D279A

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

Preview Lab → · Contrast checker → · Palette generator →