#255E89#255E89

#255E89 is a mid, moderate cyan. Relative luminance 0.102; OKLCH L 46.5% C 0.092 H 244.6°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#255E89
RGB	rgb(37, 94, 137)
HSL	hsl(206, 57%, 34%)
HSV	hsv(206, 73%, 54%)
CMYK	cmyk(73%, 31.4%, 0%, 46.3%)
CIE-LAB	lab(38.21, -3.42, -29.24)
CIE-LCH	lch(38.21, 29.44, 263.34°)
OKLab	oklab(46.53% -0.0393 -0.0827)
OKLCH	oklch(46.53% 0.092 244.6)
XYZ	xyz(9.2793, 10.2038, 25.1426)
Luminance	0.1021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E89 #895025

analogous

#258982 #255E89 #252C89

triadic

#255E89 #89255E #5E8925

tetradic

#255E89 #822589 #895025 #2C8925

square

#255E89 #822589 #895025 #2C8925

split-complementary

#255E89 #89252C #898225

monochromatic

#0B1C29 #183D59 #255E89 #327FB9 #579DD2

Accessibility & contrast

On white

6.91

#255E89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#255E89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E89

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E89	#FFFFFF	#000000	##FFFFFF
##255E89	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A5F8B

Deuteranopia (green-blind)

#3D5688

Tritanopia (blue-blind)

#00686D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255e89;
/* rgb */ color: rgb(37, 94, 137);
/* oklch */ color: oklch(46.5% 0.092 244.6);

Tailwind

colors: {
  custom: {
    50: '#6d8bab',
    500: '#255e89',
    950: '#000000',
  },
}

SCSS

$custom: #255e89;
$custom-light: #6d8bab;
$custom-dark: #000000;

JSON

{
  "hex": "#255e89",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 137
  },
  "hsl": {
    "h": 205.8,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.46528,
    "c": 0.09161,
    "h": 244.6
  },
  "luminance": 0.10205
}

Semantic roles & 50–950 ramp

primary

#255E89

secondary

#B67E54

accent

#8947E1

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #255E89

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

Preview Lab → · Contrast checker → · Palette generator →