#25377F#25377F

#25377F is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.124 H 268.9°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#25377F
RGB	rgb(37, 55, 127)
HSL	hsl(228, 55%, 32%)
HSV	hsv(228, 71%, 50%)
CMYK	cmyk(70.9%, 56.7%, 0%, 50.2%)
CIE-LAB	lab(25.74, 18.73, -42.97)
CIE-LCH	lch(25.74, 46.87, 293.56°)
OKLab	oklab(36.68% -0.0023 -0.1236)
OKLCH	oklch(36.68% 0.124 268.9)
XYZ	xyz(5.9586, 4.6574, 20.6595)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25377F #7F6D25

analogous

#25647F #25377F #40257F

triadic

#25377F #7F2537 #377F25

tetradic

#25377F #7F2564 #7F6D25 #257F40

square

#25377F #7F2564 #7F6D25 #257F40

split-complementary

#25377F #7F4025 #647F25

monochromatic

#090E20 #172250 #25377F #334CAE #526ACD

Accessibility & contrast

On white

10.87

#25377F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#25377F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25377F

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25377F	#FFFFFF	#000000	##FFFFFF
##25377F	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004181

Deuteranopia (green-blind)

#00397E

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #25377f;
/* rgb */ color: rgb(37, 55, 127);
/* oklch */ color: oklch(36.7% 0.124 268.9);

Tailwind

colors: {
  custom: {
    50: '#6c6da5',
    500: '#25377f',
    950: '#000000',
  },
}

SCSS

$custom: #25377f;
$custom-light: #6c6da5;
$custom-dark: #000000;

JSON

{
  "hex": "#25377f",
  "rgb": {
    "r": 37,
    "g": 55,
    "b": 127
  },
  "hsl": {
    "h": 228,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.36682,
    "c": 0.12364,
    "h": 268.9
  },
  "luminance": 0.04658
}

Semantic roles & 50–950 ramp

primary

#25377F

secondary

#B19D4F

accent

#C04ADE

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #25377F

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

Preview Lab → · Contrast checker → · Palette generator →