#2427A0#2427A0

#2427A0 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.0% C 0.188 H 271.5°. Best body text is #FFFFFF at 11.21:1 contrast (WCAG AA passes).

Color values

HEX	#2427A0
RGB	rgb(36, 39, 160)
HSL	hsl(239, 63%, 38%)
HSV	hsv(239, 78%, 63%)
CMYK	cmyk(77.5%, 75.6%, 0%, 37.3%)
CIE-LAB	lab(24.84, 41.22, -64.85)
CIE-LCH	lch(24.84, 76.84, 302.44°)
OKLab	oklab(36.95% 0.0049 -0.1878)
OKLCH	oklch(36.95% 0.188 271.5)
XYZ	xyz(7.7961, 4.3633, 33.6822)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2427A0 #A09D24

analogous

#2465A0 #2427A0 #5F24A0

triadic

#2427A0 #A02427 #27A024

tetradic

#2427A0 #A02465 #A09D24 #24A05F

square

#2427A0 #A02465 #A09D24 #24A05F

split-complementary

#2427A0 #A05F24 #65A024

monochromatic

#0E0F3C #191B6E #2427A0 #3135D1 #6366DC

Accessibility & contrast

On white

11.21

#2427A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#2427A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2427A0

11.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2427A0	#FFFFFF	#000000	##FFFFFF
##2427A0	1.00	11.21	1.87	11.21
#FFFFFF	11.21	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A4

Deuteranopia (green-blind)

#00359E

Tritanopia (blue-blind)

#004A62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #2427a0;
/* rgb */ color: rgb(36, 39, 160);
/* oklch */ color: oklch(37.0% 0.188 271.5);

Tailwind

colors: {
  custom: {
    50: '#7563bd',
    500: '#2427a0',
    950: '#000000',
  },
}

SCSS

$custom: #2427a0;
$custom-light: #7563bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2427a0",
  "rgb": {
    "r": 36,
    "g": 39,
    "b": 160
  },
  "hsl": {
    "h": 238.548,
    "s": 63.265,
    "l": 38.431
  },
  "oklch": {
    "l": 0.36951,
    "c": 0.18782,
    "h": 271.5
  },
  "luminance": 0.04364
}

Semantic roles & 50–950 ramp

primary

#2427A0

secondary

#C1BF5F

accent

#E241E6

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2427A0

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

Preview Lab → · Contrast checker → · Palette generator →