#255F89#255F89

#255F89 is a mid, moderate cyan. Relative luminance 0.104; OKLCH L 46.8% C 0.091 H 243.6°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#255F89
RGB	rgb(37, 95, 137)
HSL	hsl(205, 57%, 34%)
HSV	hsv(205, 73%, 54%)
CMYK	cmyk(73%, 30.7%, 0%, 46.3%)
CIE-LAB	lab(38.52, -4.04, -28.75)
CIE-LCH	lch(38.52, 29.03, 262.01°)
OKLab	oklab(46.78% -0.0404 -0.0813)
OKLCH	oklch(46.78% 0.091 243.6)
XYZ	xyz(9.3688, 10.3828, 25.1724)
Luminance	0.1038 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F89 #894F25

analogous

#258981 #255F89 #252D89

triadic

#255F89 #89255F #5F8925

tetradic

#255F89 #812589 #894F25 #2D8925

square

#255F89 #812589 #894F25 #2D8925

split-complementary

#255F89 #89252D #898125

monochromatic

#0B1C29 #183E59 #255F89 #3280B9 #579ED2

Accessibility & contrast

On white

6.83

#255F89 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#255F89 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F89

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F89	#FFFFFF	#000000	##FFFFFF
##255F89	1.00	6.83	3.08	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C608B

Deuteranopia (green-blind)

#3E5688

Tritanopia (blue-blind)

#00696E

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255f89;
/* rgb */ color: rgb(37, 95, 137);
/* oklch */ color: oklch(46.8% 0.091 243.6);

Tailwind

colors: {
  custom: {
    50: '#6d8cab',
    500: '#255f89',
    950: '#000000',
  },
}

SCSS

$custom: #255f89;
$custom-light: #6d8cab;
$custom-dark: #000000;

JSON

{
  "hex": "#255f89",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 137
  },
  "hsl": {
    "h": 205.2,
    "s": 57.471,
    "l": 34.118
  },
  "oklch": {
    "l": 0.46777,
    "c": 0.09077,
    "h": 243.6
  },
  "luminance": 0.10384
}

Semantic roles & 50–950 ramp

primary

#255F89

secondary

#B67D54

accent

#8847E1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #255F89

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

Preview Lab → · Contrast checker → · Palette generator →