#25539F#25539F

#25539F is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.3% C 0.134 H 259.9°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#25539F
RGB	rgb(37, 83, 159)
HSL	hsl(217, 62%, 38%)
HSV	hsv(217, 77%, 62%)
CMYK	cmyk(76.7%, 47.8%, 0%, 37.6%)
CIE-LAB	lab(36.14, 12.17, -45.81)
CIE-LCH	lch(36.14, 47.40, 284.88°)
OKLab	oklab(45.34% -0.0233 -0.1315)
OKLCH	oklch(45.34% 0.134 259.9)
XYZ	xyz(10.1119, 9.0819, 34.0142)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25539F #9F7125

analogous

#25909F #25539F #34259F

triadic

#25539F #9F2553 #539F25

tetradic

#25539F #9F2590 #9F7125 #259F34

square

#25539F #9F2590 #9F7125 #259F34

split-complementary

#25539F #9F3425 #909F25

monochromatic

#0E1F3C #19396D #25539F #326DCF #6491DB

Accessibility & contrast

On white

7.46

#25539F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#25539F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25539F

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25539F	#FFFFFF	#000000	##FFFFFF
##25539F	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5BA2

Deuteranopia (green-blind)

#07509D

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #25539f;
/* rgb */ color: rgb(37, 83, 159);
/* oklch */ color: oklch(45.3% 0.134 259.9);

Tailwind

colors: {
  custom: {
    50: '#7282bc',
    500: '#25539f',
    950: '#000000',
  },
}

SCSS

$custom: #25539f;
$custom-light: #7282bc;
$custom-dark: #000000;

JSON

{
  "hex": "#25539f",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 159
  },
  "hsl": {
    "h": 217.377,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.45336,
    "c": 0.13352,
    "h": 259.9
  },
  "luminance": 0.09083
}

Semantic roles & 50–950 ramp

primary

#25539F

secondary

#C09C5F

accent

#A842E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #25539F

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

Preview Lab → · Contrast checker → · Palette generator →