#255B82#255B82

#255B82 is a mid, moderate cyan. Relative luminance 0.095; OKLCH L 45.4% C 0.085 H 243.3°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#255B82
RGB	rgb(37, 91, 130)
HSL	hsl(205, 56%, 33%)
HSV	hsv(205, 72%, 51%)
CMYK	cmyk(71.5%, 30%, 0%, 49%)
CIE-LAB	lab(36.90, -4.16, -27.02)
CIE-LCH	lch(36.90, 27.34, 261.25°)
OKLab	oklab(45.38% -0.0385 -0.0763)
OKLCH	oklch(45.38% 0.085 243.3)
XYZ	xyz(8.5318, 9.4863, 22.4962)
Luminance	0.0949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B82 #824C25

analogous

#25827A #255B82 #252D82

triadic

#255B82 #82255B #5B8225

tetradic

#255B82 #7A2582 #824C25 #2D8225

square

#255B82 #7A2582 #824C25 #2D8225

split-complementary

#255B82 #82252D #827A25

monochromatic

#0A1823 #173A52 #255B82 #337CB2 #539BCE

Accessibility & contrast

On white

7.25

#255B82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#255B82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B82

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B82	#FFFFFF	#000000	##FFFFFF
##255B82	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495C84

Deuteranopia (green-blind)

#3D5381

Tritanopia (blue-blind)

#006569

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #255b82;
/* rgb */ color: rgb(37, 91, 130);
/* oklch */ color: oklch(45.4% 0.085 243.3);

Tailwind

colors: {
  custom: {
    50: '#6b89a6',
    500: '#255b82',
    950: '#000000',
  },
}

SCSS

$custom: #255b82;
$custom-light: #6b89a6;
$custom-dark: #000000;

JSON

{
  "hex": "#255b82",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 130
  },
  "hsl": {
    "h": 205.161,
    "s": 55.689,
    "l": 32.745
  },
  "oklch": {
    "l": 0.45384,
    "c": 0.08546,
    "h": 243.3
  },
  "luminance": 0.09487
}

Semantic roles & 50–950 ramp

primary

#255B82

secondary

#B27A50

accent

#8849DF

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255B82

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

Preview Lab → · Contrast checker → · Palette generator →