#255D8A#255D8A

#255D8A is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.3% C 0.094 H 246.1°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#255D8A
RGB	rgb(37, 93, 138)
HSL	hsl(207, 58%, 34%)
HSV	hsv(207, 73%, 54%)
CMYK	cmyk(73.2%, 32.6%, 0%, 45.9%)
CIE-LAB	lab(37.94, -2.42, -30.26)
CIE-LCH	lch(37.94, 30.36, 265.43°)
OKLab	oklab(46.34% -0.038 -0.0857)
OKLCH	oklch(46.34% 0.094 246.1)
XYZ	xyz(9.2630, 10.0560, 25.4926)
Luminance	0.1006 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D8A #8A5225

analogous

#258A85 #255D8A #252B8A

triadic

#255D8A #8A255D #5D8A25

tetradic

#255D8A #85258A #8A5225 #2B8A25

square

#255D8A #85258A #8A5225 #2B8A25

split-complementary

#255D8A #8A252B #8A8525

monochromatic

#0B1C29 #183C5A #255D8A #327EBA #579BD2

Accessibility & contrast

On white

6.97

#255D8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#255D8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D8A

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D8A	#FFFFFF	#000000	##FFFFFF
##255D8A	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495F8C

Deuteranopia (green-blind)

#3B5589

Tritanopia (blue-blind)

#00686D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255d8a;
/* rgb */ color: rgb(37, 93, 138);
/* oklch */ color: oklch(46.3% 0.094 246.1);

Tailwind

colors: {
  custom: {
    50: '#6d8aac',
    500: '#255d8a',
    950: '#000000',
  },
}

SCSS

$custom: #255d8a;
$custom-light: #6d8aac;
$custom-dark: #000000;

JSON

{
  "hex": "#255d8a",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 138
  },
  "hsl": {
    "h": 206.733,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.46337,
    "c": 0.09375,
    "h": 246.1
  },
  "luminance": 0.10057
}

Semantic roles & 50–950 ramp

primary

#255D8A

secondary

#B78054

accent

#8C47E1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255D8A

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

Preview Lab → · Contrast checker → · Palette generator →