#255C8A#255C8A

#255C8A is a mid, moderate cyan. Relative luminance 0.099; OKLCH L 46.1% C 0.095 H 247.0°. Best body text is #FFFFFF at 7.06:1 contrast (WCAG AA passes).

Color values

HEX	#255C8A
RGB	rgb(37, 92, 138)
HSL	hsl(207, 58%, 34%)
HSV	hsv(207, 73%, 54%)
CMYK	cmyk(73.2%, 33.3%, 0%, 45.9%)
CIE-LAB	lab(37.63, -1.79, -30.76)
CIE-LCH	lch(37.63, 30.81, 266.67°)
OKLab	oklab(46.09% -0.0369 -0.0872)
OKLCH	oklch(46.09% 0.095 247)
XYZ	xyz(9.1758, 9.8816, 25.4636)
Luminance	0.0988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C8A #8A5325

analogous

#258A86 #255C8A #252A8A

triadic

#255C8A #8A255C #5C8A25

tetradic

#255C8A #86258A #8A5325 #2A8A25

square

#255C8A #86258A #8A5325 #2A8A25

split-complementary

#255C8A #8A252A #8A8625

monochromatic

#0B1C29 #183C5A #255C8A #327CBA #579AD2

Accessibility & contrast

On white

7.06

#255C8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#255C8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C8A

7.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C8A	#FFFFFF	#000000	##FFFFFF
##255C8A	1.00	7.06	2.98	7.06
#FFFFFF	7.06	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#475E8C

Deuteranopia (green-blind)

#395489

Tritanopia (blue-blind)

#00676C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255c8a;
/* rgb */ color: rgb(37, 92, 138);
/* oklch */ color: oklch(46.1% 0.095 247.0);

Tailwind

colors: {
  custom: {
    50: '#6d89ac',
    500: '#255c8a',
    950: '#000000',
  },
}

SCSS

$custom: #255c8a;
$custom-light: #6d89ac;
$custom-dark: #000000;

JSON

{
  "hex": "#255c8a",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 138
  },
  "hsl": {
    "h": 207.327,
    "s": 57.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.4609,
    "c": 0.09468,
    "h": 247
  },
  "luminance": 0.09883
}

Semantic roles & 50–950 ramp

primary

#255C8A

secondary

#B78154

accent

#8D47E1

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080B10

muted

#7B7C7F

Preview Lab

Preview with #255C8A

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

Preview Lab → · Contrast checker → · Palette generator →