#255DA9#255DA9

#255DA9 is a mid, vivid cyan. Relative luminance 0.111; OKLCH L 48.3% C 0.135 H 257.1°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#255DA9
RGB	rgb(37, 93, 169)
HSL	hsl(215, 64%, 40%)
HSV	hsv(215, 78%, 66%)
CMYK	cmyk(78.1%, 45%, 0%, 33.7%)
CIE-LAB	lab(39.72, 9.50, -46.01)
CIE-LCH	lch(39.72, 46.98, 281.66°)
OKLab	oklab(48.31% -0.0301 -0.1319)
OKLCH	oklch(48.31% 0.135 257.1)
XYZ	xyz(11.8361, 11.0852, 39.0443)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255DA9 #A97125

analogous

#259FA9 #255DA9 #2F25A9

triadic

#255DA9 #A9255D #5DA925

tetradic

#255DA9 #A9259F #A97125 #25A92F

square

#255DA9 #A9259F #A97125 #25A92F

split-complementary

#255DA9 #A92F25 #9FA925

monochromatic

#0F2645 #1A4177 #255DA9 #387AD3 #6A9BDE

Accessibility & contrast

On white

6.53

#255DA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#255DA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255DA9

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255DA9	#FFFFFF	#000000	##FFFFFF
##255DA9	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3664AC

Deuteranopia (green-blind)

#1A58A7

Tritanopia (blue-blind)

#006F7B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255da9;
/* rgb */ color: rgb(37, 93, 169);
/* oklch */ color: oklch(48.3% 0.135 257.1);

Tailwind

colors: {
  custom: {
    50: '#748ac3',
    500: '#255da9',
    950: '#000000',
  },
}

SCSS

$custom: #255da9;
$custom-light: #748ac3;
$custom-dark: #000000;

JSON

{
  "hex": "#255da9",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 169
  },
  "hsl": {
    "h": 214.545,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48307,
    "c": 0.13528,
    "h": 257.1
  },
  "luminance": 0.11087
}

Semantic roles & 50–950 ramp

primary

#255DA9

secondary

#C49C65

accent

#A141E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255DA9

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

Preview Lab → · Contrast checker → · Palette generator →