#255299#255299

#255299 is a dark, vivid blue. Relative luminance 0.087; OKLCH L 44.7% C 0.126 H 259.3°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#255299
RGB	rgb(37, 82, 153)
HSL	hsl(217, 61%, 37%)
HSV	hsv(217, 76%, 60%)
CMYK	cmyk(75.8%, 46.4%, 0%, 40%)
CIE-LAB	lab(35.45, 10.49, -43.30)
CIE-LCH	lch(35.45, 44.55, 283.62°)
OKLab	oklab(44.68% -0.0235 -0.1241)
OKLCH	oklch(44.68% 0.126 259.3)
XYZ	xyz(9.5279, 8.7267, 31.3131)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255299 #996C25

analogous

#258C99 #255299 #322599

triadic

#255299 #992552 #529925

tetradic

#255299 #99258C #996C25 #259932

square

#255299 #99258C #996C25 #259932

split-complementary

#255299 #993225 #8C9925

monochromatic

#0D1D36 #193868 #255299 #316CCA #608FD9

Accessibility & contrast

On white

7.65

#255299 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#255299 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255299

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255299	#FFFFFF	#000000	##FFFFFF
##255299	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D599C

Deuteranopia (green-blind)

#144E98

Tritanopia (blue-blind)

#00636E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255299;
/* rgb */ color: rgb(37, 82, 153);
/* oklch */ color: oklch(44.7% 0.126 259.3);

Tailwind

colors: {
  custom: {
    50: '#7082b7',
    500: '#255299',
    950: '#000000',
  },
}

SCSS

$custom: #255299;
$custom-light: #7082b7;
$custom-dark: #000000;

JSON

{
  "hex": "#255299",
  "rgb": {
    "r": 37,
    "g": 82,
    "b": 153
  },
  "hsl": {
    "h": 216.724,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.44679,
    "c": 0.12633,
    "h": 259.3
  },
  "luminance": 0.08728
}

Semantic roles & 50–950 ramp

primary

#255299

secondary

#BE985C

accent

#A644E4

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#090A11

muted

#7B7C80

Preview Lab

Preview with #255299

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

Preview Lab → · Contrast checker → · Palette generator →