#25499B#25499B

#25499B is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.140 H 263.7°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#25499B
RGB	rgb(37, 73, 155)
HSL	hsl(222, 61%, 38%)
HSV	hsv(222, 76%, 61%)
CMYK	cmyk(76.1%, 52.9%, 0%, 39.2%)
CIE-LAB	lab(32.97, 17.32, -48.51)
CIE-LCH	lch(32.97, 51.51, 289.65°)
OKLab	oklab(42.82% -0.0155 -0.1396)
OKLCH	oklch(42.82% 0.14 263.7)
XYZ	xyz(9.0598, 7.5240, 31.9788)
Luminance	0.0752 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25499B #9B7725

analogous

#25849B #25499B #3C259B

triadic

#25499B #9B2549 #499B25

tetradic

#25499B #9B2584 #9B7725 #259B3C

square

#25499B #9B2584 #9B7725 #259B3C

split-complementary

#25499B #9B3C25 #849B25

monochromatic

#0D1A38 #19326A #25499B #3160CC #6186D9

Accessibility & contrast

On white

8.38

#25499B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#25499B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25499B

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25499B	#FFFFFF	#000000	##FFFFFF
##25499B	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11539E

Deuteranopia (green-blind)

#004899

Tritanopia (blue-blind)

#005D6B

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #25499b;
/* rgb */ color: rgb(37, 73, 155);
/* oklch */ color: oklch(42.8% 0.140 263.7);

Tailwind

colors: {
  custom: {
    50: '#717bb9',
    500: '#25499b',
    950: '#000000',
  },
}

SCSS

$custom: #25499b;
$custom-light: #717bb9;
$custom-dark: #000000;

JSON

{
  "hex": "#25499b",
  "rgb": {
    "r": 37,
    "g": 73,
    "b": 155
  },
  "hsl": {
    "h": 221.695,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.42823,
    "c": 0.14047,
    "h": 263.7
  },
  "luminance": 0.07525
}

Semantic roles & 50–950 ramp

primary

#25499B

secondary

#BFA15D

accent

#B343E5

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090911

muted

#7B7B80

Preview Lab

Preview with #25499B

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

Preview Lab → · Contrast checker → · Palette generator →