#25539D#25539D

#25539D is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.2% C 0.131 H 259.6°. Best body text is #FFFFFF at 7.49:1 contrast (WCAG AA passes).

Color values

HEX	#25539D
RGB	rgb(37, 83, 157)
HSL	hsl(217, 62%, 38%)
HSV	hsv(217, 76%, 62%)
CMYK	cmyk(76.4%, 47.1%, 0%, 38.4%)
CIE-LAB	lab(36.01, 11.39, -44.82)
CIE-LCH	lch(36.01, 46.24, 284.26°)
OKLab	oklab(45.19% -0.0237 -0.1286)
OKLCH	oklch(45.19% 0.131 259.6)
XYZ	xyz(9.9398, 9.0130, 33.1076)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25539D #9D6F25

analogous

#258F9D #25539D #33259D

triadic

#25539D #9D2553 #539D25

tetradic

#25539D #9D258F #9D6F25 #259D33

square

#25539D #9D258F #9D6F25 #259D33

split-complementary

#25539D #9D3325 #8F9D25

monochromatic

#0E1F3A #19396B #25539D #316DCE #6290DA

Accessibility & contrast

On white

7.49

#25539D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#25539D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25539D

7.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25539D	#FFFFFF	#000000	##FFFFFF
##25539D	1.00	7.49	2.80	7.49
#FFFFFF	7.49	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA0

Deuteranopia (green-blind)

#0E509C

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #25539d;
/* rgb */ color: rgb(37, 83, 157);
/* oklch */ color: oklch(45.2% 0.131 259.6);

Tailwind

colors: {
  custom: {
    50: '#7182ba',
    500: '#25539d',
    950: '#000000',
  },
}

SCSS

$custom: #25539d;
$custom-light: #7182ba;
$custom-dark: #000000;

JSON

{
  "hex": "#25539d",
  "rgb": {
    "r": 37,
    "g": 83,
    "b": 157
  },
  "hsl": {
    "h": 217,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.45192,
    "c": 0.13072,
    "h": 259.6
  },
  "luminance": 0.09014
}

Semantic roles & 50–950 ramp

primary

#25539D

secondary

#BF9A5E

accent

#A743E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #25539D

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

Preview Lab → · Contrast checker → · Palette generator →