#25539A#25539A

#25539A is a dark, vivid blue. Relative luminance 0.089; OKLCH L 45.0% C 0.127 H 259.0°. Best body text is #FFFFFF at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#25539A
RGB	rgb(37, 83, 154)
HSL	hsl(216, 61%, 37%)
HSV	hsv(216, 76%, 60%)
CMYK	cmyk(76%, 46.1%, 0%, 39.6%)
CIE-LAB	lab(35.81, 10.22, -43.33)
CIE-LCH	lch(35.81, 44.51, 283.27°)
OKLab	oklab(44.98% -0.0242 -0.1242)
OKLCH	oklch(44.98% 0.127 259)
XYZ	xyz(9.6868, 8.9118, 31.7752)
Luminance	0.0891 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25539A #9A6C25

analogous

#258E9A #25539A #31259A

triadic

#25539A #9A2553 #539A25

tetradic

#25539A #9A258E #9A6C25 #259A31

square

#25539A #9A258E #9A6C25 #259A31

split-complementary

#25539A #9A3125 #8E9A25

monochromatic

#0D1E37 #193869 #25539A #316ECB #6090D9

Accessibility & contrast

On white

7.55

#25539A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#25539A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25539A

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25539A	#FFFFFF	#000000	##FFFFFF
##25539A	1.00	7.55	2.78	7.55
#FFFFFF	7.55	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5A9D

Deuteranopia (green-blind)

#154F99

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #25539a;
/* rgb */ color: rgb(37, 83, 154);
/* oklch */ color: oklch(45.0% 0.127 259.0);

Tailwind

colors: {
  custom: {
    50: '#7082b8',
    500: '#25539a',
    950: '#000000',
  },
}

SCSS

$custom: #25539a;
$custom-light: #7082b8;
$custom-dark: #000000;

JSON

{
  "hex": "#25539a",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 154
  },
  "hsl": {
    "h": 216.41,
    "s": 61.257,
    "l": 37.451
  },
  "oklch": {
    "l": 0.44978,
    "c": 0.12651,
    "h": 259
  },
  "luminance": 0.08913
}

Semantic roles & 50–950 ramp

primary

#25539A

secondary

#BE985D

accent

#A543E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #25539A

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

Preview Lab → · Contrast checker → · Palette generator →