#255CA6#255CA6

#255CA6 is a mid, vivid cyan. Relative luminance 0.108; OKLCH L 47.9% C 0.132 H 257.0°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#255CA6
RGB	rgb(37, 92, 166)
HSL	hsl(214, 64%, 40%)
HSV	hsv(214, 78%, 65%)
CMYK	cmyk(77.7%, 44.6%, 0%, 34.9%)
CIE-LAB	lab(39.24, 8.98, -45.01)
CIE-LCH	lch(39.24, 45.90, 281.28°)
OKLab	oklab(47.87% -0.0298 -0.1289)
OKLCH	oklch(47.87% 0.132 257)
XYZ	xyz(11.4705, 10.7995, 37.5490)
Luminance	0.1080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CA6 #A66F25

analogous

#259CA6 #255CA6 #2F25A6

triadic

#255CA6 #A6255C #5CA625

tetradic

#255CA6 #A6259C #A66F25 #25A62F

square

#255CA6 #A6259C #A66F25 #25A62F

split-complementary

#255CA6 #A62F25 #9CA625

monochromatic

#0F2542 #1A4074 #255CA6 #3679D2 #689ADD

Accessibility & contrast

On white

6.65

#255CA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#255CA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CA6

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CA6	#FFFFFF	#000000	##FFFFFF
##255CA6	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663A9

Deuteranopia (green-blind)

#1D57A5

Tritanopia (blue-blind)

#006E79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ca6;
/* rgb */ color: rgb(37, 92, 166);
/* oklch */ color: oklch(47.9% 0.132 257.0);

Tailwind

colors: {
  custom: {
    50: '#7389c1',
    500: '#255ca6',
    950: '#000000',
  },
}

SCSS

$custom: #255ca6;
$custom-light: #7389c1;
$custom-dark: #000000;

JSON

{
  "hex": "#255ca6",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 166
  },
  "hsl": {
    "h": 214.419,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.47872,
    "c": 0.13236,
    "h": 257
  },
  "luminance": 0.10801
}

Semantic roles & 50–950 ramp

primary

#255CA6

secondary

#C39A64

accent

#A041E7

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255CA6

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

Preview Lab → · Contrast checker → · Palette generator →