#25579E#25579E

#25579E is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.2% C 0.127 H 257.7°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#25579E
RGB	rgb(37, 87, 158)
HSL	hsl(215, 62%, 38%)
HSV	hsv(215, 77%, 62%)
CMYK	cmyk(76.6%, 44.9%, 0%, 38%)
CIE-LAB	lab(37.26, 9.14, -43.42)
CIE-LCH	lch(37.26, 44.37, 281.88°)
OKLab	oklab(46.18% -0.027 -0.1244)
OKLCH	oklch(46.18% 0.127 257.7)
XYZ	xyz(10.3404, 9.6772, 33.6640)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25579E #9E6C25

analogous

#25939E #25579E #30259E

triadic

#25579E #9E2557 #579E25

tetradic

#25579E #9E2593 #9E6C25 #259E30

square

#25579E #9E2593 #9E6C25 #259E30

split-complementary

#25579E #9E3025 #939E25

monochromatic

#0E203B #193C6C #25579E #3172CF #6394DA

Accessibility & contrast

On white

7.15

#25579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#25579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25579E

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25579E	#FFFFFF	#000000	##FFFFFF
##25579E	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335EA1

Deuteranopia (green-blind)

#1B539D

Tritanopia (blue-blind)

#006873

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #25579e;
/* rgb */ color: rgb(37, 87, 158);
/* oklch */ color: oklch(46.2% 0.127 257.7);

Tailwind

colors: {
  custom: {
    50: '#7185bb',
    500: '#25579e',
    950: '#000000',
  },
}

SCSS

$custom: #25579e;
$custom-light: #7185bb;
$custom-dark: #000000;

JSON

{
  "hex": "#25579e",
  "rgb": {
    "r": 37,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 215.207,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46175,
    "c": 0.12726,
    "h": 257.7
  },
  "luminance": 0.09678
}

Semantic roles & 50–950 ramp

primary

#25579E

secondary

#C0985F

accent

#A243E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #25579E

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

Preview Lab → · Contrast checker → · Palette generator →