#255CA4#255CA4

#255CA4 is a mid, vivid cyan. Relative luminance 0.107; OKLCH L 47.7% C 0.130 H 256.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#255CA4
RGB	rgb(37, 92, 164)
HSL	hsl(214, 63%, 39%)
HSV	hsv(214, 77%, 64%)
CMYK	cmyk(77.4%, 43.9%, 0%, 35.7%)
CIE-LAB	lab(39.12, 8.20, -44.02)
CIE-LCH	lch(39.12, 44.78, 280.56°)
OKLab	oklab(47.74% -0.0302 -0.126)
OKLCH	oklch(47.74% 0.13 256.5)
XYZ	xyz(11.2885, 10.7266, 36.5903)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255CA4 #A46D25

analogous

#259CA4 #255CA4 #2E25A4

triadic

#255CA4 #A4255C #5CA425

tetradic

#255CA4 #A4259C #A46D25 #25A42E

square

#255CA4 #A4259C #A46D25 #25A42E

split-complementary

#255CA4 #A42E25 #9CA425

monochromatic

#0E2440 #1A4072 #255CA4 #3579D1 #679ADD

Accessibility & contrast

On white

6.68

#255CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#255CA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255CA4

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255CA4	#FFFFFF	#000000	##FFFFFF
##255CA4	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3862A7

Deuteranopia (green-blind)

#2057A3

Tritanopia (blue-blind)

#006D78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255ca4;
/* rgb */ color: rgb(37, 92, 164);
/* oklch */ color: oklch(47.7% 0.130 256.5);

Tailwind

colors: {
  custom: {
    50: '#7289bf',
    500: '#255ca4',
    950: '#000000',
  },
}

SCSS

$custom: #255ca4;
$custom-light: #7289bf;
$custom-dark: #000000;

JSON

{
  "hex": "#255ca4",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 164
  },
  "hsl": {
    "h": 214.016,
    "s": 63.184,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47736,
    "c": 0.12962,
    "h": 256.5
  },
  "luminance": 0.10728
}

Semantic roles & 50–950 ramp

primary

#255CA4

secondary

#C29962

accent

#9F42E6

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255CA4

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

Preview Lab → · Contrast checker → · Palette generator →