#25519B#25519B

#25519B is a dark, vivid blue. Relative luminance 0.086; OKLCH L 44.6% C 0.130 H 260.2°. Best body text is #FFFFFF at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#25519B
RGB	rgb(37, 81, 155)
HSL	hsl(218, 61%, 38%)
HSV	hsv(218, 76%, 61%)
CMYK	cmyk(76.1%, 47.7%, 0%, 39.2%)
CIE-LAB	lab(35.29, 11.94, -44.77)
CIE-LCH	lch(35.29, 46.34, 284.93°)
OKLab	oklab(44.6% -0.0223 -0.1285)
OKLCH	oklch(44.6% 0.13 260.2)
XYZ	xyz(9.6196, 8.6437, 32.1654)
Luminance	0.0864 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25519B #9B6F25

analogous

#258C9B #25519B #34259B

triadic

#25519B #9B2551 #519B25

tetradic

#25519B #9B258C #9B6F25 #259B34

square

#25519B #9B258C #9B6F25 #259B34

split-complementary

#25519B #9B3425 #8C9B25

monochromatic

#0D1D38 #19376A #25519B #316BCC #618ED9

Accessibility & contrast

On white

7.70

#25519B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#25519B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25519B

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25519B	#FFFFFF	#000000	##FFFFFF
##25519B	1.00	7.70	2.73	7.70
#FFFFFF	7.70	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29599E

Deuteranopia (green-blind)

#0A4E9A

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #25519b;
/* rgb */ color: rgb(37, 81, 155);
/* oklch */ color: oklch(44.6% 0.130 260.2);

Tailwind

colors: {
  custom: {
    50: '#7181b9',
    500: '#25519b',
    950: '#000000',
  },
}

SCSS

$custom: #25519b;
$custom-light: #7181b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25519b",
  "rgb": {
    "r": 37,
    "g": 81,
    "b": 155
  },
  "hsl": {
    "h": 217.627,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44595,
    "c": 0.13037,
    "h": 260.2
  },
  "luminance": 0.08645
}

Semantic roles & 50–950 ramp

primary

#25519B

secondary

#BF9A5D

accent

#A843E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #25519B

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

Preview Lab → · Contrast checker → · Palette generator →