#25379E#25379E

#25379E is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.167 H 269.2°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#25379E
RGB	rgb(37, 55, 158)
HSL	hsl(231, 62%, 38%)
HSV	hsv(231, 77%, 62%)
CMYK	cmyk(76.6%, 65.2%, 0%, 38%)
CIE-LAB	lab(28.36, 30.60, -57.83)
CIE-LCH	lch(28.36, 65.43, 297.88°)
OKLab	oklab(39.45% -0.0022 -0.1672)
OKLCH	oklch(39.45% 0.167 269.2)
XYZ	xyz(8.2986, 5.5934, 32.9834)
Luminance	0.0559 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25379E #9E8C25

analogous

#25739E #25379E #4F259E

triadic

#25379E #9E2537 #379E25

tetradic

#25379E #9E2573 #9E8C25 #259E4F

square

#25379E #9E2573 #9E8C25 #259E4F

split-complementary

#25379E #9E4F25 #739E25

monochromatic

#0E143B #19266C #25379E #3149CF #6375DA

Accessibility & contrast

On white

9.91

#25379E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#25379E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25379E

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25379E	#FFFFFF	#000000	##FFFFFF
##25379E	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A1

Deuteranopia (green-blind)

#003D9C

Tritanopia (blue-blind)

#005265

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #25379e;
/* rgb */ color: rgb(37, 55, 158);
/* oklch */ color: oklch(39.5% 0.167 269.2);

Tailwind

colors: {
  custom: {
    50: '#736dbc',
    500: '#25379e',
    950: '#000000',
  },
}

SCSS

$custom: #25379e;
$custom-light: #736dbc;
$custom-dark: #000000;

JSON

{
  "hex": "#25379e",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 158
  },
  "hsl": {
    "h": 231.074,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39452,
    "c": 0.16726,
    "h": 269.2
  },
  "luminance": 0.05594
}

Semantic roles & 50–950 ramp

primary

#25379E

secondary

#C0B15F

accent

#CD43E5

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25379E

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

Preview Lab → · Contrast checker → · Palette generator →