#255C9F#255C9F

#255C9F is a mid, vivid cyan. Relative luminance 0.106; OKLCH L 47.4% C 0.123 H 255.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#255C9F
RGB	rgb(37, 92, 159)
HSL	hsl(213, 62%, 38%)
HSV	hsv(213, 77%, 62%)
CMYK	cmyk(76.7%, 42.1%, 0%, 37.6%)
CIE-LAB	lab(38.81, 6.26, -41.53)
CIE-LCH	lch(38.81, 42.00, 278.58°)
OKLab	oklab(47.4% -0.0313 -0.1187)
OKLCH	oklch(47.4% 0.123 255.2)
XYZ	xyz(10.8458, 10.5496, 34.2588)
Luminance	0.1055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C9F #9F6825

analogous

#25999F #255C9F #2B259F

triadic

#255C9F #9F255C #5C9F25

tetradic

#255C9F #9F2599 #9F6825 #259F2B

square

#255C9F #9F2599 #9F6825 #259F2B

split-complementary

#255C9F #9F2B25 #999F25

monochromatic

#0E233C #193F6D #255C9F #3279CF #6499DB

Accessibility & contrast

On white

6.75

#255C9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#255C9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255C9F

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C9F	#FFFFFF	#000000	##FFFFFF
##255C9F	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B61A2

Deuteranopia (green-blind)

#27569E

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255c9f;
/* rgb */ color: rgb(37, 92, 159);
/* oklch */ color: oklch(47.4% 0.123 255.2);

Tailwind

colors: {
  custom: {
    50: '#7189bc',
    500: '#255c9f',
    950: '#000000',
  },
}

SCSS

$custom: #255c9f;
$custom-light: #7189bc;
$custom-dark: #000000;

JSON

{
  "hex": "#255c9f",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 159
  },
  "hsl": {
    "h": 212.951,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.474,
    "c": 0.12278,
    "h": 255.2
  },
  "luminance": 0.10551
}

Semantic roles & 50–950 ramp

primary

#255C9F

secondary

#C0955F

accent

#9C42E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255C9F

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

Preview Lab → · Contrast checker → · Palette generator →