#2525A8#2525A8

#2525A8 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 37.6% C 0.199 H 271.5°. Best body text is #FFFFFF at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#2525A8
RGB	rgb(37, 37, 168)
HSL	hsl(240, 64%, 40%)
HSV	hsv(240, 78%, 66%)
CMYK	cmyk(78%, 78%, 0%, 34.1%)
CIE-LAB	lab(25.39, 45.10, -68.79)
CIE-LCH	lch(25.39, 82.26, 303.25°)
OKLab	oklab(37.62% 0.0053 -0.1991)
OKLCH	oklch(37.62% 0.199 271.5)
XYZ	xyz(8.4900, 4.5427, 37.4676)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2525A8 #A8A825

analogous

#2566A8 #2525A8 #6625A8

triadic

#2525A8 #A82525 #25A825

tetradic

#2525A8 #A82566 #A8A825 #25A866

square

#2525A8 #A82566 #A8A825 #25A866

split-complementary

#2525A8 #A86625 #66A825

monochromatic

#0F0F44 #1A1A76 #2525A8 #3737D3 #6969DE

Accessibility & contrast

On white

11.00

#2525A8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#2525A8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2525A8

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2525A8	#FFFFFF	#000000	##FFFFFF
##2525A8	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)

#0043AC

Deuteranopia (green-blind)

#0035A6

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #2525a8;
/* rgb */ color: rgb(37, 37, 168);
/* oklch */ color: oklch(37.6% 0.199 271.5);

Tailwind

colors: {
  custom: {
    50: '#7762c3',
    500: '#2525a8',
    950: '#000000',
  },
}

SCSS

$custom: #2525a8;
$custom-light: #7762c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2525a8",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 168
  },
  "hsl": {
    "h": 240,
    "s": 63.902,
    "l": 40.196
  },
  "oklch": {
    "l": 0.37618,
    "c": 0.19922,
    "h": 271.5
  },
  "luminance": 0.04544
}

Semantic roles & 50–950 ramp

primary

#2525A8

secondary

#C4C465

accent

#E741E7

background

#F8F5FC

surface

#EFEAF8

border

#CAC6D1

text

#0A0513

muted

#7C7982

Preview Lab

Preview with #2525A8

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

Preview Lab → · Contrast checker → · Palette generator →