#255EA0#255EA0

#255EA0 is a mid, vivid cyan. Relative luminance 0.109; OKLCH L 47.9% C 0.122 H 254.3°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#255EA0
RGB	rgb(37, 94, 160)
HSL	hsl(212, 62%, 39%)
HSV	hsv(212, 77%, 63%)
CMYK	cmyk(76.9%, 41.3%, 0%, 37.3%)
CIE-LAB	lab(39.47, 5.36, -41.07)
CIE-LCH	lch(39.47, 41.42, 277.43°)
OKLab	oklab(47.93% -0.0329 -0.1173)
OKLCH	oklch(47.93% 0.122 254.3)
XYZ	xyz(11.1085, 10.9355, 34.7762)
Luminance	0.1094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EA0 #A06725

analogous

#259BA0 #255EA0 #2925A0

triadic

#255EA0 #A0255E #5EA025

tetradic

#255EA0 #A0259B #A06725 #25A029

square

#255EA0 #A0259B #A06725 #25A029

split-complementary

#255EA0 #A02925 #9BA025

monochromatic

#0E243D #1A416E #255EA0 #327BD0 #649BDB

Accessibility & contrast

On white

6.59

#255EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#255EA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EA0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EA0	#FFFFFF	#000000	##FFFFFF
##255EA0	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A3

Deuteranopia (green-blind)

#2A589F

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255ea0;
/* rgb */ color: rgb(37, 94, 160);
/* oklch */ color: oklch(47.9% 0.122 254.3);

Tailwind

colors: {
  custom: {
    50: '#728bbc',
    500: '#255ea0',
    950: '#000000',
  },
}

SCSS

$custom: #255ea0;
$custom-light: #728bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#255ea0",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 160
  },
  "hsl": {
    "h": 212.195,
    "s": 62.437,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47933,
    "c": 0.12187,
    "h": 254.3
  },
  "luminance": 0.10937
}

Semantic roles & 50–950 ramp

primary

#255EA0

secondary

#C19460

accent

#9A42E6

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255EA0

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

Preview Lab → · Contrast checker → · Palette generator →