#25397F#25397F

#25397F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.1% C 0.121 H 268.0°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#25397F
RGB	rgb(37, 57, 127)
HSL	hsl(227, 55%, 32%)
HSV	hsv(227, 71%, 50%)
CMYK	cmyk(70.9%, 55.1%, 0%, 50.2%)
CIE-LAB	lab(26.31, 17.34, -42.04)
CIE-LCH	lch(26.31, 45.48, 292.41°)
OKLab	oklab(37.11% -0.0042 -0.1209)
OKLCH	oklch(37.11% 0.121 268)
XYZ	xyz(6.0555, 4.8513, 20.6918)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25397F #7F6B25

analogous

#25667F #25397F #3E257F

triadic

#25397F #7F2539 #397F25

tetradic

#25397F #7F2566 #7F6B25 #257F3E

square

#25397F #7F2566 #7F6B25 #257F3E

split-complementary

#25397F #7F3E25 #667F25

monochromatic

#090E20 #172450 #25397F #334EAE #526DCD

Accessibility & contrast

On white

10.66

#25397F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#25397F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25397F

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25397F	#FFFFFF	#000000	##FFFFFF
##25397F	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#084381

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004A56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #25397f;
/* rgb */ color: rgb(37, 57, 127);
/* oklch */ color: oklch(37.1% 0.121 268.0);

Tailwind

colors: {
  custom: {
    50: '#6b6fa5',
    500: '#25397f',
    950: '#000000',
  },
}

SCSS

$custom: #25397f;
$custom-light: #6b6fa5;
$custom-dark: #000000;

JSON

{
  "hex": "#25397f",
  "rgb": {
    "r": 37,
    "g": 57,
    "b": 127
  },
  "hsl": {
    "h": 226.667,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.37113,
    "c": 0.12093,
    "h": 268
  },
  "luminance": 0.04852
}

Semantic roles & 50–950 ramp

primary

#25397F

secondary

#B19B4F

accent

#BD4ADE

background

#F6F6FA

surface

#ECECF4

border

#C7C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25397F

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

Preview Lab → · Contrast checker → · Palette generator →