#25387D#25387D

#25387D is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.7% C 0.119 H 268.4°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#25387D
RGB	rgb(37, 56, 125)
HSL	hsl(227, 54%, 32%)
HSV	hsv(227, 70%, 49%)
CMYK	cmyk(70.4%, 55.2%, 0%, 51%)
CIE-LAB	lab(25.87, 17.26, -41.50)
CIE-LCH	lch(25.87, 44.94, 292.58°)
OKLab	oklab(36.73% -0.0034 -0.1193)
OKLCH	oklch(36.73% 0.119 268.4)
XYZ	xyz(5.8775, 4.7018, 19.9958)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25387D #7D6A25

analogous

#25647D #25387D #3E257D

triadic

#25387D #7D2538 #387D25

tetradic

#25387D #7D2564 #7D6A25 #257D3E

square

#25387D #7D2564 #7D6A25 #257D3E

split-complementary

#25387D #7D3E25 #647D25

monochromatic

#090E1F #17234E #25387D #334DAC #516BCB

Accessibility & contrast

On white

10.82

#25387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#25387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25387D

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25387D	#FFFFFF	#000000	##FFFFFF
##25387D	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#08417F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #25387d;
/* rgb */ color: rgb(37, 56, 125);
/* oklch */ color: oklch(36.7% 0.119 268.4);

Tailwind

colors: {
  custom: {
    50: '#6b6ea3',
    500: '#25387d',
    950: '#000000',
  },
}

SCSS

$custom: #25387d;
$custom-light: #6b6ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#25387d",
  "rgb": {
    "r": 37,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 227.045,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.36733,
    "c": 0.11932,
    "h": 268.4
  },
  "luminance": 0.04702
}

Semantic roles & 50–950 ramp

primary

#25387D

secondary

#AF9A4F

accent

#BE4ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25387D

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

Preview Lab → · Contrast checker → · Palette generator →