#2427A5#2427A5

#2427A5 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.5% C 0.194 H 271.2°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2427A5
RGB	rgb(36, 39, 165)
HSL	hsl(239, 64%, 39%)
HSV	hsv(239, 78%, 65%)
CMYK	cmyk(78.2%, 76.4%, 0%, 35.3%)
CIE-LAB	lab(25.39, 42.92, -66.98)
CIE-LCH	lch(25.39, 79.55, 302.65°)
OKLab	oklab(37.5% 0.004 -0.1939)
OKLCH	oklch(37.5% 0.194 271.2)
XYZ	xyz(8.2423, 4.5418, 36.0323)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2427A5 #A5A224

analogous

#2467A5 #2427A5 #6224A5

triadic

#2427A5 #A52427 #27A524

tetradic

#2427A5 #A52467 #A5A224 #24A562

square

#2427A5 #A52467 #A5A224 #24A562

split-complementary

#2427A5 #A56224 #67A524

monochromatic

#0E0F41 #191B73 #2427A5 #3437D3 #6669DE

Accessibility & contrast

On white

11.00

#2427A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2427A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2427A5

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2427A5	#FFFFFF	#000000	##FFFFFF
##2427A5	1.00	11.00	1.91	11.00
#FFFFFF	11.00	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A9

Deuteranopia (green-blind)

#0036A3

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2427a5;
/* rgb */ color: rgb(36, 39, 165);
/* oklch */ color: oklch(37.5% 0.194 271.2);

Tailwind

colors: {
  custom: {
    50: '#7663c1',
    500: '#2427a5',
    950: '#000000',
  },
}

SCSS

$custom: #2427a5;
$custom-light: #7663c1;
$custom-dark: #000000;

JSON

{
  "hex": "#2427a5",
  "rgb": {
    "r": 36,
    "g": 39,
    "b": 165
  },
  "hsl": {
    "h": 238.605,
    "s": 64.179,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37503,
    "c": 0.19398,
    "h": 271.2
  },
  "luminance": 0.04543
}

Semantic roles & 50–950 ramp

primary

#2427A5

secondary

#C3C162

accent

#E341E7

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #2427A5

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

Preview Lab → · Contrast checker → · Palette generator →