#25579D#25579D

#25579D is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.1% C 0.126 H 257.5°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#25579D
RGB	rgb(37, 87, 157)
HSL	hsl(215, 62%, 38%)
HSV	hsv(215, 76%, 62%)
CMYK	cmyk(76.4%, 44.6%, 0%, 38.4%)
CIE-LAB	lab(37.19, 8.75, -42.92)
CIE-LCH	lch(37.19, 43.80, 281.52°)
OKLab	oklab(46.11% -0.0272 -0.1229)
OKLCH	oklch(46.11% 0.126 257.5)
XYZ	xyz(10.2547, 9.6429, 33.2126)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25579D #9D6B25

analogous

#25939D #25579D #2F259D

triadic

#25579D #9D2557 #579D25

tetradic

#25579D #9D2593 #9D6B25 #259D2F

square

#25579D #9D2593 #9D6B25 #259D2F

split-complementary

#25579D #9D2F25 #939D25

monochromatic

#0E203A #193C6B #25579D #3172CE #6294DA

Accessibility & contrast

On white

7.17

#25579D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#25579D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25579D

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25579D	#FFFFFF	#000000	##FFFFFF
##25579D	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345DA0

Deuteranopia (green-blind)

#1D529C

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #25579d;
/* rgb */ color: rgb(37, 87, 157);
/* oklch */ color: oklch(46.1% 0.126 257.5);

Tailwind

colors: {
  custom: {
    50: '#7185ba',
    500: '#25579d',
    950: '#000000',
  },
}

SCSS

$custom: #25579d;
$custom-light: #7185ba;
$custom-dark: #000000;

JSON

{
  "hex": "#25579d",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 157
  },
  "hsl": {
    "h": 215,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.46106,
    "c": 0.12588,
    "h": 257.5
  },
  "luminance": 0.09644
}

Semantic roles & 50–950 ramp

primary

#25579D

secondary

#BF975E

accent

#A143E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #25579D

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

Preview Lab → · Contrast checker → · Palette generator →