#2525B0#2525B0

#2525B0 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.5% C 0.209 H 271.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#2525B0
RGB	rgb(37, 37, 176)
HSL	hsl(240, 65%, 42%)
HSV	hsv(240, 79%, 69%)
CMYK	cmyk(79%, 79%, 0%, 31%)
CIE-LAB	lab(26.30, 47.72, -72.09)
CIE-LCH	lch(26.30, 86.45, 303.50°)
OKLab	oklab(38.53% 0.0037 -0.2087)
OKLCH	oklch(38.53% 0.209 271)
XYZ	xyz(9.2583, 4.8500, 41.5141)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2525B0 #B0B025

analogous

#256BB0 #2525B0 #6B25B0

triadic

#2525B0 #B02525 #25B025

tetradic

#2525B0 #B0256B #B0B025 #25B06B

square

#2525B0 #B0256B #B0B025 #25B06B

split-complementary

#2525B0 #B06B25 #6BB025

monochromatic

#10104B #1A1A7D #2525B0 #3C3CD6 #6F6FE1

Accessibility & contrast

On white

10.66

#2525B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#2525B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2525B0

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2525B0	#FFFFFF	#000000	##FFFFFF
##2525B0	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045B4

Deuteranopia (green-blind)

#0037AE

Tritanopia (blue-blind)

#00506A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #2525b0;
/* rgb */ color: rgb(37, 37, 176);
/* oklch */ color: oklch(38.5% 0.209 271.0);

Tailwind

colors: {
  custom: {
    50: '#7962c9',
    500: '#2525b0',
    950: '#000000',
  },
}

SCSS

$custom: #2525b0;
$custom-light: #7962c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2525b0",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 176
  },
  "hsl": {
    "h": 240,
    "s": 65.258,
    "l": 41.765
  },
  "oklch": {
    "l": 0.38526,
    "c": 0.20875,
    "h": 271
  },
  "luminance": 0.04851
}

Semantic roles & 50–950 ramp

primary

#2525B0

secondary

#C7C76A

accent

#E840E8

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2525B0

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

Preview Lab → · Contrast checker → · Palette generator →