#2427A7#2427A7

#2427A7 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.7% C 0.196 H 271.1°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#2427A7
RGB	rgb(36, 39, 167)
HSL	hsl(239, 65%, 40%)
HSV	hsv(239, 78%, 65%)
CMYK	cmyk(78.4%, 76.6%, 0%, 34.5%)
CIE-LAB	lab(25.61, 43.59, -67.82)
CIE-LCH	lch(25.61, 80.63, 302.73°)
OKLab	oklab(37.72% 0.0036 -0.1964)
OKLCH	oklch(37.72% 0.196 271.1)
XYZ	xyz(8.4258, 4.6152, 36.9985)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2427A7 #A7A424

analogous

#2469A7 #2427A7 #6324A7

triadic

#2427A7 #A72427 #27A724

tetradic

#2427A7 #A72469 #A7A424 #24A763

square

#2427A7 #A72469 #A7A424 #24A763

split-complementary

#2427A7 #A76324 #69A724

monochromatic

#0E0F42 #191B75 #2427A7 #3538D3 #676ADE

Accessibility & contrast

On white

10.92

#2427A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#2427A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2427A7

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2427A7	#FFFFFF	#000000	##FFFFFF
##2427A7	1.00	10.92	1.92	10.92
#FFFFFF	10.92	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043AB

Deuteranopia (green-blind)

#0036A5

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2427a7;
/* rgb */ color: rgb(36, 39, 167);
/* oklch */ color: oklch(37.7% 0.196 271.1);

Tailwind

colors: {
  custom: {
    50: '#7763c2',
    500: '#2427a7',
    950: '#000000',
  },
}

SCSS

$custom: #2427a7;
$custom-light: #7763c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2427a7",
  "rgb": {
    "r": 36,
    "g": 39,
    "b": 167
  },
  "hsl": {
    "h": 238.626,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37725,
    "c": 0.19642,
    "h": 271.1
  },
  "luminance": 0.04616
}

Semantic roles & 50–950 ramp

primary

#2427A7

secondary

#C4C263

accent

#E440E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0513

muted

#7C7A82

Preview Lab

Preview with #2427A7

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

Preview Lab → · Contrast checker → · Palette generator →