#255EA9#255EA9

#255EA9 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.5% C 0.134 H 256.7°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#255EA9
RGB	rgb(37, 94, 169)
HSL	hsl(214, 64%, 40%)
HSV	hsv(214, 78%, 66%)
CMYK	cmyk(78.1%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(40.02, 8.85, -45.54)
CIE-LCH	lch(40.02, 46.39, 280.99°)
OKLab	oklab(48.54% -0.031 -0.1305)
OKLCH	oklch(48.54% 0.134 256.7)
XYZ	xyz(11.9244, 11.2619, 39.0737)
Luminance	0.1126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255EA9 #A97025

analogous

#25A0A9 #255EA9 #2E25A9

triadic

#255EA9 #A9255E #5EA925

tetradic

#255EA9 #A925A0 #A97025 #25A92E

square

#255EA9 #A925A0 #A97025 #25A92E

split-complementary

#255EA9 #A92E25 #A0A925

monochromatic

#0F2645 #1A4277 #255EA9 #387BD3 #6A9CDE

Accessibility & contrast

On white

6.46

#255EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#255EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255EA9

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255EA9	#FFFFFF	#000000	##FFFFFF
##255EA9	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3865AC

Deuteranopia (green-blind)

#1E59A8

Tritanopia (blue-blind)

#00707B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255ea9;
/* rgb */ color: rgb(37, 94, 169);
/* oklch */ color: oklch(48.5% 0.134 256.7);

Tailwind

colors: {
  custom: {
    50: '#738bc3',
    500: '#255ea9',
    950: '#000000',
  },
}

SCSS

$custom: #255ea9;
$custom-light: #738bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#255ea9",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 214.091,
    "s": 64.078,
    "l": 40.392
  },
  "oklch": {
    "l": 0.48535,
    "c": 0.1341,
    "h": 256.7
  },
  "luminance": 0.11263
}

Semantic roles & 50–950 ramp

primary

#255EA9

secondary

#C49B65

accent

#9F41E7

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255EA9

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

Preview Lab → · Contrast checker → · Palette generator →