#25399E#25399E

#25399E is a dark, vivid blue. Relative luminance 0.058; OKLCH L 39.8% C 0.165 H 268.8°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#25399E
RGB	rgb(37, 57, 158)
HSL	hsl(230, 62%, 38%)
HSV	hsv(230, 77%, 62%)
CMYK	cmyk(76.6%, 63.9%, 0%, 38%)
CIE-LAB	lab(28.87, 29.27, -57.00)
CIE-LCH	lch(28.87, 64.08, 297.18°)
OKLab	oklab(39.83% -0.0035 -0.1648)
OKLCH	oklch(39.83% 0.165 268.8)
XYZ	xyz(8.3955, 5.7873, 33.0157)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25399E #9E8A25

analogous

#25759E #25399E #4E259E

triadic

#25399E #9E2539 #399E25

tetradic

#25399E #9E2575 #9E8A25 #259E4E

square

#25399E #9E2575 #9E8A25 #259E4E

split-complementary

#25399E #9E4E25 #759E25

monochromatic

#0E153B #19276C #25399E #314BCF #6377DA

Accessibility & contrast

On white

9.73

#25399E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#25399E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25399E

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25399E	#FFFFFF	#000000	##FFFFFF
##25399E	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AA1

Deuteranopia (green-blind)

#003E9C

Tritanopia (blue-blind)

#005366

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #25399e;
/* rgb */ color: rgb(37, 57, 158);
/* oklch */ color: oklch(39.8% 0.165 268.8);

Tailwind

colors: {
  custom: {
    50: '#736fbc',
    500: '#25399e',
    950: '#000000',
  },
}

SCSS

$custom: #25399e;
$custom-light: #736fbc;
$custom-dark: #000000;

JSON

{
  "hex": "#25399e",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 158
  },
  "hsl": {
    "h": 230.083,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.39825,
    "c": 0.16484,
    "h": 268.8
  },
  "luminance": 0.05788
}

Semantic roles & 50–950 ramp

primary

#25399E

secondary

#C0B05F

accent

#CA43E5

background

#F7F6FB

surface

#EEECF6

border

#C9C7D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25399E

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

Preview Lab → · Contrast checker → · Palette generator →