#25509B#25509B

#25509B is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.4% C 0.132 H 260.6°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#25509B
RGB	rgb(37, 80, 155)
HSL	hsl(218, 61%, 38%)
HSV	hsv(218, 76%, 61%)
CMYK	cmyk(76.1%, 48.4%, 0%, 39.2%)
CIE-LAB	lab(35.00, 12.61, -45.24)
CIE-LCH	lch(35.00, 46.97, 285.57°)
OKLab	oklab(44.37% -0.0214 -0.1299)
OKLCH	oklch(44.37% 0.132 260.6)
XYZ	xyz(9.5459, 8.4961, 32.1408)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#25509B #9B7025

analogous

#258B9B #25509B #35259B

triadic

#25509B #9B2550 #509B25

tetradic

#25509B #9B258B #9B7025 #259B35

square

#25509B #9B258B #9B7025 #259B35

split-complementary

#25509B #9B3525 #8B9B25

monochromatic

#0D1D38 #19366A #25509B #3169CC #618DD9

Accessibility & contrast

On white

7.78

#25509B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#25509B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #25509B

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##25509B	#FFFFFF	#000000	##FFFFFF
##25509B	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27589E

Deuteranopia (green-blind)

#044D99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #25509b;
/* rgb */ color: rgb(37, 80, 155);
/* oklch */ color: oklch(44.4% 0.132 260.6);

Tailwind

colors: {
  custom: {
    50: '#7180b9',
    500: '#25509b',
    950: '#000000',
  },
}

SCSS

$custom: #25509b;
$custom-light: #7180b9;
$custom-dark: #000000;

JSON

{
  "hex": "#25509b",
  "rgb": {
    "r": 37,
    "g": 80,
    "b": 155
  },
  "hsl": {
    "h": 218.136,
    "s": 61.458,
    "l": 37.647
  },
  "oklch": {
    "l": 0.44369,
    "c": 0.13162,
    "h": 260.6
  },
  "luminance": 0.08497
}

Semantic roles & 50–950 ramp

primary

#25509B

secondary

#BF9B5D

accent

#AA43E5

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #25509B

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

Preview Lab → · Contrast checker → · Palette generator →