#2520B3#2520B3

#2520B3 is a dark, highly saturated blue. Relative luminance 0.047; OKLCH L 38.3% C 0.216 H 271.2°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#2520B3
RGB	rgb(37, 32, 179)
HSL	hsl(242, 70%, 41%)
HSV	hsv(242, 82%, 70%)
CMYK	cmyk(79.3%, 82.1%, 0%, 29.8%)
CIE-LAB	lab(25.80, 51.15, -74.71)
CIE-LCH	lch(25.80, 90.54, 304.40°)
OKLab	oklab(38.28% 0.0044 -0.2162)
OKLCH	oklch(38.28% 0.216 271.2)
XYZ	xyz(9.4134, 4.6800, 43.0463)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2520B3 #AEB320

analogous

#2065B3 #2520B3 #6F20B3

triadic

#2520B3 #B32520 #20B325

tetradic

#2520B3 #B32065 #AEB320 #20B36F

square

#2520B3 #B32065 #AEB320 #20B36F

split-complementary

#2520B3 #B36F20 #65B320

monochromatic

#100D4B #1A177F #2520B3 #3B35DB #6D69E4

Accessibility & contrast

On white

10.85

#2520B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#2520B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2520B3

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2520B3	#FFFFFF	#000000	##FFFFFF
##2520B3	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0044B7

Deuteranopia (green-blind)

#0036B1

Tritanopia (blue-blind)

#004F6B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #2520b3;
/* rgb */ color: rgb(37, 32, 179);
/* oklch */ color: oklch(38.3% 0.216 271.2);

Tailwind

colors: {
  custom: {
    50: '#7b60cb',
    500: '#2520b3',
    950: '#000000',
  },
}

SCSS

$custom: #2520b3;
$custom-light: #7b60cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2520b3",
  "rgb": {
    "r": 37,
    "g": 32,
    "b": 179
  },
  "hsl": {
    "h": 242.041,
    "s": 69.668,
    "l": 41.373
  },
  "oklch": {
    "l": 0.38279,
    "c": 0.21628,
    "h": 271.2
  },
  "luminance": 0.04681
}

Semantic roles & 50–950 ramp

primary

#2520B3

secondary

#C6CA65

accent

#EC3BE6

background

#F8F5FC

surface

#EFEAF9

border

#CAC6D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #2520B3

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

Preview Lab → · Contrast checker → · Palette generator →