#255E83#255E83

#255E83 is a mid, moderate cyan. Relative luminance 0.100; OKLCH L 46.2% C 0.084 H 240.6°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#255E83
RGB	rgb(37, 94, 131)
HSL	hsl(204, 56%, 33%)
HSV	hsv(204, 72%, 51%)
CMYK	cmyk(71.8%, 28.2%, 0%, 48.6%)
CIE-LAB	lab(37.91, -5.64, -26.06)
CIE-LCH	lch(37.91, 26.67, 257.78°)
OKLab	oklab(46.19% -0.0413 -0.0735)
OKLCH	oklch(46.19% 0.084 240.6)
XYZ	xyz(8.8608, 10.0364, 22.9386)
Luminance	0.1004 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E83 #834A25

analogous

#258379 #255E83 #252F83

triadic

#255E83 #83255E #5E8325

tetradic

#255E83 #792583 #834A25 #2F8325

square

#255E83 #792583 #834A25 #2F8325

split-complementary

#255E83 #83252F #837925

monochromatic

#0A1A24 #183C53 #255E83 #3280B3 #549ECF

Accessibility & contrast

On white

6.98

#255E83 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#255E83 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E83

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E83	#FFFFFF	#000000	##FFFFFF
##255E83	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D5E85

Deuteranopia (green-blind)

#405582

Tritanopia (blue-blind)

#00676B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255e83;
/* rgb */ color: rgb(37, 94, 131);
/* oklch */ color: oklch(46.2% 0.084 240.6);

Tailwind

colors: {
  custom: {
    50: '#6c8ba7',
    500: '#255e83',
    950: '#000000',
  },
}

SCSS

$custom: #255e83;
$custom-light: #6c8ba7;
$custom-dark: #000000;

JSON

{
  "hex": "#255e83",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 131
  },
  "hsl": {
    "h": 203.617,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.46194,
    "c": 0.08433,
    "h": 240.6
  },
  "luminance": 0.10037
}

Semantic roles & 50–950 ramp

primary

#255E83

secondary

#B37751

accent

#8449DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070C0F

muted

#7A7D7F

Preview Lab

Preview with #255E83

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

Preview Lab → · Contrast checker → · Palette generator →