#2524B1#2524B1

#2524B1 is a dark, highly saturated blue. Relative luminance 0.048; OKLCH L 38.5% C 0.211 H 271.0°. Best body text is #FFFFFF at 10.68:1 contrast (WCAG AA passes).

Color values

HEX	#2524B1
RGB	rgb(37, 36, 177)
HSL	hsl(240, 66%, 42%)
HSV	hsv(240, 80%, 69%)
CMYK	cmyk(79.1%, 79.7%, 0%, 30.6%)
CIE-LAB	lab(26.24, 48.56, -72.79)
CIE-LCH	lch(26.24, 87.50, 303.71°)
OKLab	oklab(38.52% 0.0037 -0.2107)
OKLCH	oklch(38.52% 0.211 271)
XYZ	xyz(9.3270, 4.8283, 42.0268)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2524B1 #B0B124

analogous

#2469B1 #2524B1 #6C24B1

triadic

#2524B1 #B12524 #24B125

tetradic

#2524B1 #B12469 #B0B124 #24B16C

square

#2524B1 #B12469 #B0B124 #24B16C

split-complementary

#2524B1 #B16C24 #69B124

monochromatic

#100F4B #1A1A7E #2524B1 #3C3BD7 #6F6EE1

Accessibility & contrast

On white

10.68

#2524B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2524B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2524B1

10.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2524B1	#FFFFFF	#000000	##FFFFFF
##2524B1	1.00	10.68	1.97	10.68
#FFFFFF	10.68	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B5

Deuteranopia (green-blind)

#0037AF

Tritanopia (blue-blind)

#00506B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2524b1;
/* rgb */ color: rgb(37, 36, 177);
/* oklch */ color: oklch(38.5% 0.211 271.0);

Tailwind

colors: {
  custom: {
    50: '#7a62ca',
    500: '#2524b1',
    950: '#000000',
  },
}

SCSS

$custom: #2524b1;
$custom-light: #7a62ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2524b1",
  "rgb": {
    "r": 37,
    "g": 36,
    "b": 177
  },
  "hsl": {
    "h": 240.426,
    "s": 66.197,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38515,
    "c": 0.21077,
    "h": 271
  },
  "luminance": 0.04829
}

Semantic roles & 50–950 ramp

primary

#2524B1

secondary

#C7C869

accent

#E93FE8

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #2524B1

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

Preview Lab → · Contrast checker → · Palette generator →