#25177E#25177E

#25177E is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.0% C 0.160 H 277.6°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#25177E
RGB	rgb(37, 23, 126)
HSL	hsl(248, 69%, 29%)
HSV	hsv(248, 82%, 49%)
CMYK	cmyk(70.6%, 81.7%, 0%, 50.6%)
CIE-LAB	lab(17.97, 38.82, -55.05)
CIE-LCH	lch(17.97, 67.36, 305.19°)
OKLab	oklab(31.01% 0.0213 -0.159)
OKLCH	oklch(31.01% 0.16 277.6)
XYZ	xyz(4.8340, 2.5120, 19.9647)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25177E #707E17

analogous

#173D7E #25177E #59177E

triadic

#25177E #7E2517 #177E25

tetradic

#25177E #7E173D #707E17 #177E59

square

#25177E #7E173D #707E17 #177E59

split-complementary

#25177E #7E5917 #3D7E17

monochromatic

#08051A #160E4A #25177E #3420B2 #4C35DA

Accessibility & contrast

On white

13.98

#25177E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#25177E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25177E

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25177E	#FFFFFF	#000000	##FFFFFF
##25177E	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003081

Deuteranopia (green-blind)

#00287C

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #25177e;
/* rgb */ color: rgb(37, 23, 126);
/* oklch */ color: oklch(31.0% 0.160 277.6);

Tailwind

colors: {
  custom: {
    50: '#6e57a5',
    500: '#25177e',
    950: '#000000',
  },
}

SCSS

$custom: #25177e;
$custom-light: #6e57a5;
$custom-dark: #000000;

JSON

{
  "hex": "#25177e",
  "rgb": {
    "r": 37,
    "g": 23,
    "b": 126
  },
  "hsl": {
    "h": 248.155,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.3101,
    "c": 0.16047,
    "h": 277.6
  },
  "luminance": 0.02512
}

Semantic roles & 50–950 ramp

primary

#25177E

secondary

#A3B33E

accent

#EC3CD4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #25177E

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

Preview Lab → · Contrast checker → · Palette generator →