#255B83#255B83

#255B83 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.4% C 0.087 H 243.9°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#255B83
RGB	rgb(37, 91, 131)
HSL	hsl(206, 56%, 33%)
HSV	hsv(206, 72%, 51%)
CMYK	cmyk(71.8%, 30.5%, 0%, 48.6%)
CIE-LAB	lab(36.95, -3.79, -27.55)
CIE-LCH	lch(36.95, 27.81, 262.17°)
OKLab	oklab(45.44% -0.0381 -0.0779)
OKLCH	oklch(45.44% 0.087 243.9)
XYZ	xyz(8.5992, 9.5132, 22.8514)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B83 #834D25

analogous

#25837C #255B83 #252C83

triadic

#255B83 #83255B #5B8325

tetradic

#255B83 #7C2583 #834D25 #2C8325

square

#255B83 #7C2583 #834D25 #2C8325

split-complementary

#255B83 #83252C #837C25

monochromatic

#0A1924 #183A53 #255B83 #327CB3 #549ACF

Accessibility & contrast

On white

7.23

#255B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#255B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B83

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B83	#FFFFFF	#000000	##FFFFFF
##255B83	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495C85

Deuteranopia (green-blind)

#3C5382

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #255b83;
/* rgb */ color: rgb(37, 91, 131);
/* oklch */ color: oklch(45.4% 0.087 243.9);

Tailwind

colors: {
  custom: {
    50: '#6c89a7',
    500: '#255b83',
    950: '#000000',
  },
}

SCSS

$custom: #255b83;
$custom-light: #6c89a7;
$custom-dark: #000000;

JSON

{
  "hex": "#255b83",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 131
  },
  "hsl": {
    "h": 205.532,
    "s": 55.952,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4544,
    "c": 0.08669,
    "h": 243.9
  },
  "luminance": 0.09514
}

Semantic roles & 50–950 ramp

primary

#255B83

secondary

#B37B51

accent

#8949DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255B83

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

Preview Lab → · Contrast checker → · Palette generator →