#2523A0#2523A0

#2523A0 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 36.4% C 0.191 H 272.3°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#2523A0
RGB	rgb(37, 35, 160)
HSL	hsl(241, 64%, 38%)
HSV	hsv(241, 78%, 63%)
CMYK	cmyk(76.9%, 78.1%, 0%, 37.3%)
CIE-LAB	lab(24.11, 43.55, -66.06)
CIE-LCH	lch(24.11, 79.12, 303.39°)
OKLab	oklab(36.45% 0.0076 -0.1912)
OKLCH	oklch(36.45% 0.191 272.3)
XYZ	xyz(7.7070, 4.1326, 33.6424)
Luminance	0.0413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2523A0 #9EA023

analogous

#235FA0 #2523A0 #6323A0

triadic

#2523A0 #A02523 #23A025

tetradic

#2523A0 #A0235F #9EA023 #23A063

square

#2523A0 #A0235F #9EA023 #23A063

split-complementary

#2523A0 #A06323 #5FA023

monochromatic

#0E0D3C #19186E #2523A0 #312FD1 #6361DC

Accessibility & contrast

On white

11.50

#2523A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#2523A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2523A0

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2523A0	#FFFFFF	#000000	##FFFFFF
##2523A0	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA4

Deuteranopia (green-blind)

#00339E

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #2523a0;
/* rgb */ color: rgb(37, 35, 160);
/* oklch */ color: oklch(36.4% 0.191 272.3);

Tailwind

colors: {
  custom: {
    50: '#7660bd',
    500: '#2523a0',
    950: '#000000',
  },
}

SCSS

$custom: #2523a0;
$custom-light: #7660bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2523a0",
  "rgb": {
    "r": 37,
    "g": 35,
    "b": 160
  },
  "hsl": {
    "h": 240.96,
    "s": 64.103,
    "l": 38.235
  },
  "oklch": {
    "l": 0.36449,
    "c": 0.19136,
    "h": 272.3
  },
  "luminance": 0.04133
}

Semantic roles & 50–950 ramp

primary

#2523A0

secondary

#C0C15D

accent

#E741E4

background

#F7F5FB

surface

#EEEAF7

border

#C9C6D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #2523A0

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

Preview Lab → · Contrast checker → · Palette generator →