#255A9E#255A9E

#255A9E is a mid, vivid cyan. Relative luminance 0.102; OKLCH L 46.9% C 0.124 H 256.1°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#255A9E
RGB	rgb(37, 90, 158)
HSL	hsl(214, 62%, 38%)
HSV	hsv(214, 77%, 62%)
CMYK	cmyk(76.6%, 43%, 0%, 38%)
CIE-LAB	lab(38.15, 7.17, -41.98)
CIE-LCH	lch(38.15, 42.59, 279.70°)
OKLab	oklab(46.87% -0.0297 -0.1201)
OKLCH	oklch(46.87% 0.124 256.1)
XYZ	xyz(10.5884, 10.1731, 33.7467)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A9E #9E6925

analogous

#25969E #255A9E #2C259E

triadic

#255A9E #9E255A #5A9E25

tetradic

#255A9E #9E2596 #9E6925 #259E2C

square

#255A9E #9E2596 #9E6925 #259E2C

split-complementary

#255A9E #9E2C25 #969E25

monochromatic

#0E223B #193E6C #255A9E #3176CF #6397DA

Accessibility & contrast

On white

6.92

#255A9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#255A9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255A9E

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A9E	#FFFFFF	#000000	##FFFFFF
##255A9E	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3960A1

Deuteranopia (green-blind)

#23559D

Tritanopia (blue-blind)

#006A74

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255a9e;
/* rgb */ color: rgb(37, 90, 158);
/* oklch */ color: oklch(46.9% 0.124 256.1);

Tailwind

colors: {
  custom: {
    50: '#7188bb',
    500: '#255a9e',
    950: '#000000',
  },
}

SCSS

$custom: #255a9e;
$custom-light: #7188bb;
$custom-dark: #000000;

JSON

{
  "hex": "#255a9e",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 158
  },
  "hsl": {
    "h": 213.719,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.46868,
    "c": 0.12373,
    "h": 256.1
  },
  "luminance": 0.10174
}

Semantic roles & 50–950 ramp

primary

#255A9E

secondary

#C0955F

accent

#9E43E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255A9E

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

Preview Lab → · Contrast checker → · Palette generator →