#25379F#25379F

#25379F is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.5% C 0.169 H 269.2°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#25379F
RGB	rgb(37, 55, 159)
HSL	hsl(231, 62%, 38%)
HSV	hsv(231, 77%, 62%)
CMYK	cmyk(76.7%, 65.4%, 0%, 37.6%)
CIE-LAB	lab(28.45, 30.97, -58.29)
CIE-LCH	lch(28.45, 66.01, 297.98°)
OKLab	oklab(39.55% -0.0023 -0.1686)
OKLCH	oklch(39.55% 0.169 269.2)
XYZ	xyz(8.3850, 5.6280, 33.4386)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25379F #9F8D25

analogous

#25749F #25379F #50259F

triadic

#25379F #9F2537 #379F25

tetradic

#25379F #9F2574 #9F8D25 #259F50

square

#25379F #9F2574 #9F8D25 #259F50

split-complementary

#25379F #9F5025 #749F25

monochromatic

#0E153C #19266D #25379F #3249CF #6475DB

Accessibility & contrast

On white

9.88

#25379F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#25379F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25379F

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25379F	#FFFFFF	#000000	##FFFFFF
##25379F	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A2

Deuteranopia (green-blind)

#003D9D

Tritanopia (blue-blind)

#005266

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #25379f;
/* rgb */ color: rgb(37, 55, 159);
/* oklch */ color: oklch(39.5% 0.169 269.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#25379f",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 159
  },
  "hsl": {
    "h": 231.148,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.39547,
    "c": 0.16861,
    "h": 269.2
  },
  "luminance": 0.05629
}

Semantic roles & 50–950 ramp

primary

#25379F

secondary

#C0B25F

accent

#CD42E5

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090712

muted

#7B7A81

Preview Lab

Preview with #25379F

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

Preview Lab → · Contrast checker → · Palette generator →