#25529B#25529B

#25529B is a dark, vivid blue. Relative luminance 0.088; OKLCH L 44.8% C 0.129 H 259.7°. Best body text is #FFFFFF at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#25529B
RGB	rgb(37, 82, 155)
HSL	hsl(217, 61%, 38%)
HSV	hsv(217, 76%, 61%)
CMYK	cmyk(76.1%, 47.1%, 0%, 39.2%)
CIE-LAB	lab(35.58, 11.27, -44.30)
CIE-LCH	lch(35.58, 45.71, 284.28°)
OKLab	oklab(44.82% -0.0231 -0.127)
OKLCH	oklch(44.82% 0.129 259.7)
XYZ	xyz(9.6945, 8.7934, 32.1904)
Luminance	0.0879 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25529B #9B6E25

analogous

#258D9B #25529B #33259B

triadic

#25529B #9B2552 #529B25

tetradic

#25529B #9B258D #9B6E25 #259B33

square

#25529B #9B258D #9B6E25 #259B33

split-complementary

#25529B #9B3325 #8D9B25

monochromatic

#0D1E38 #19386A #25529B #316CCC #618FD9

Accessibility & contrast

On white

7.61

#25529B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#25529B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25529B

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25529B	#FFFFFF	#000000	##FFFFFF
##25529B	1.00	7.61	2.76	7.61
#FFFFFF	7.61	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B599E

Deuteranopia (green-blind)

#0F4F9A

Tritanopia (blue-blind)

#00636F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #25529b;
/* rgb */ color: rgb(37, 82, 155);
/* oklch */ color: oklch(44.8% 0.129 259.7);

Tailwind

colors: {
  custom: {
    50: '#7182b9',
    500: '#25529b',
    950: '#000000',
  },
}

SCSS

$custom: #25529b;
$custom-light: #7182b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25529b",
  "rgb": {
    "r": 37,
    "g": 82,
    "b": 155
  },
  "hsl": {
    "h": 217.119,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44821,
    "c": 0.12914,
    "h": 259.7
  },
  "luminance": 0.08794
}

Semantic roles & 50–950 ramp

primary

#25529B

secondary

#BF995D

accent

#A743E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #25529B

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

Preview Lab → · Contrast checker → · Palette generator →