#255B9D#255B9D

#255B9D is a mid, vivid cyan. Relative luminance 0.103; OKLCH L 47.0% C 0.121 H 255.2°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#255B9D
RGB	rgb(37, 91, 157)
HSL	hsl(213, 62%, 38%)
HSV	hsv(213, 76%, 62%)
CMYK	cmyk(76.4%, 42%, 0%, 38.4%)
CIE-LAB	lab(38.39, 6.14, -41.00)
CIE-LCH	lch(38.39, 41.46, 278.51°)
OKLab	oklab(47.03% -0.0309 -0.1172)
OKLCH	oklch(47.03% 0.121 255.2)
XYZ	xyz(10.5876, 10.3086, 33.3235)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B9D #9D6725

analogous

#25979D #255B9D #2B259D

triadic

#255B9D #9D255B #5B9D25

tetradic

#255B9D #9D2597 #9D6725 #259D2B

square

#255B9D #9D2597 #9D6725 #259D2B

split-complementary

#255B9D #9D2B25 #979D25

monochromatic

#0E223A #193E6B #255B9D #3178CE #6298DA

Accessibility & contrast

On white

6.86

#255B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#255B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255B9D

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B9D	#FFFFFF	#000000	##FFFFFF
##255B9D	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B60A0

Deuteranopia (green-blind)

#27559C

Tritanopia (blue-blind)

#006B74

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255b9d;
/* rgb */ color: rgb(37, 91, 157);
/* oklch */ color: oklch(47.0% 0.121 255.2);

Tailwind

colors: {
  custom: {
    50: '#7188ba',
    500: '#255b9d',
    950: '#000000',
  },
}

SCSS

$custom: #255b9d;
$custom-light: #7188ba;
$custom-dark: #000000;

JSON

{
  "hex": "#255b9d",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 157
  },
  "hsl": {
    "h": 213,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47034,
    "c": 0.12119,
    "h": 255.2
  },
  "luminance": 0.1031
}

Semantic roles & 50–950 ramp

primary

#255B9D

secondary

#BF945E

accent

#9C43E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255B9D

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

Preview Lab → · Contrast checker → · Palette generator →