#25559B#25559B

#25559B is a mid, vivid blue. Relative luminance 0.093; OKLCH L 45.5% C 0.125 H 258.1°. Best body text is #FFFFFF at 7.36:1 contrast (WCAG AA passes).

Color values

HEX	#25559B
RGB	rgb(37, 85, 155)
HSL	hsl(216, 61%, 38%)
HSV	hsv(216, 76%, 61%)
CMYK	cmyk(76.1%, 45.2%, 0%, 39.2%)
CIE-LAB	lab(36.47, 9.28, -42.87)
CIE-LCH	lch(36.47, 43.87, 282.22°)
OKLab	oklab(45.51% -0.0258 -0.1228)
OKLCH	oklch(45.51% 0.125 258.1)
XYZ	xyz(9.9257, 9.2558, 32.2674)
Luminance	0.0926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25559B #9B6B25

analogous

#25909B #25559B #30259B

triadic

#25559B #9B2555 #559B25

tetradic

#25559B #9B2590 #9B6B25 #259B30

square

#25559B #9B2590 #9B6B25 #259B30

split-complementary

#25559B #9B3025 #909B25

monochromatic

#0D1F38 #193A6A #25559B #3170CC #6192D9

Accessibility & contrast

On white

7.36

#25559B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#25559B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25559B

7.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25559B	#FFFFFF	#000000	##FFFFFF
##25559B	1.00	7.36	2.85	7.36
#FFFFFF	7.36	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#315C9E

Deuteranopia (green-blind)

#1A519A

Tritanopia (blue-blind)

#006570

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #25559b;
/* rgb */ color: rgb(37, 85, 155);
/* oklch */ color: oklch(45.5% 0.125 258.1);

Tailwind

colors: {
  custom: {
    50: '#7184b9',
    500: '#25559b',
    950: '#000000',
  },
}

SCSS

$custom: #25559b;
$custom-light: #7184b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25559b",
  "rgb": {
    "r": 37,
    "g": 85,
    "b": 155
  },
  "hsl": {
    "h": 215.593,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45507,
    "c": 0.12549,
    "h": 258.1
  },
  "luminance": 0.09257
}

Semantic roles & 50–950 ramp

primary

#25559B

secondary

#BF975D

accent

#A343E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #25559B

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

Preview Lab → · Contrast checker → · Palette generator →