#2525B1#2525B1

#2525B1 is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.6% C 0.210 H 270.9°. Best body text is #FFFFFF at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#2525B1
RGB	rgb(37, 37, 177)
HSL	hsl(240, 65%, 42%)
HSV	hsv(240, 79%, 69%)
CMYK	cmyk(79.1%, 79.1%, 0%, 30.6%)
CIE-LAB	lab(26.42, 48.04, -72.50)
CIE-LCH	lch(26.42, 86.97, 303.53°)
OKLab	oklab(38.64% 0.0035 -0.2099)
OKLCH	oklch(38.64% 0.21 270.9)
XYZ	xyz(9.3576, 4.8897, 42.0371)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2525B1 #B1B125

analogous

#256BB1 #2525B1 #6B25B1

triadic

#2525B1 #B12525 #25B125

tetradic

#2525B1 #B1256B #B1B125 #25B16B

square

#2525B1 #B1256B #B1B125 #25B16B

split-complementary

#2525B1 #B16B25 #6BB125

monochromatic

#10104C #1A1A7E #2525B1 #3D3DD6 #6F6FE1

Accessibility & contrast

On white

10.62

#2525B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#2525B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2525B1

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2525B1	#FFFFFF	#000000	##FFFFFF
##2525B1	1.00	10.62	1.98	10.62
#FFFFFF	10.62	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.62	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: #2525b1;
/* rgb */ color: rgb(37, 37, 177);
/* oklch */ color: oklch(38.6% 0.210 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a62ca',
    500: '#2525b1',
    950: '#000000',
  },
}

SCSS

$custom: #2525b1;
$custom-light: #7a62ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2525b1",
  "rgb": {
    "r": 37,
    "g": 37,
    "b": 177
  },
  "hsl": {
    "h": 240,
    "s": 65.421,
    "l": 41.961
  },
  "oklch": {
    "l": 0.3864,
    "c": 0.20993,
    "h": 270.9
  },
  "luminance": 0.04891
}

Semantic roles & 50–950 ramp

primary

#2525B1

secondary

#C8C86A

accent

#E83FE8

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0513

muted

#7C7A82

Preview Lab

Preview with #2525B1

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

Preview Lab → · Contrast checker → · Palette generator →