#255C9E#255C9E

#255C9E is a mid, vivid cyan. Relative luminance 0.105; OKLCH L 47.3% C 0.121 H 254.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#255C9E
RGB	rgb(37, 92, 158)
HSL	hsl(213, 62%, 38%)
HSV	hsv(213, 77%, 62%)
CMYK	cmyk(76.6%, 41.8%, 0%, 38%)
CIE-LAB	lab(38.75, 5.88, -41.03)
CIE-LCH	lch(38.75, 41.44, 278.15°)
OKLab	oklab(47.33% -0.0315 -0.1172)
OKLCH	oklch(47.33% 0.121 254.9)
XYZ	xyz(10.7594, 10.5150, 33.8037)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C9E #9E6725

analogous

#25989E #255C9E #2A259E

triadic

#255C9E #9E255C #5C9E25

tetradic

#255C9E #9E2598 #9E6725 #259E2A

square

#255C9E #9E2598 #9E6725 #259E2A

split-complementary

#255C9E #9E2A25 #989E25

monochromatic

#0E223B #193F6C #255C9E #3179CF #6399DA

Accessibility & contrast

On white

6.77

#255C9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#255C9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255C9E

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C9E	#FFFFFF	#000000	##FFFFFF
##255C9E	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C61A1

Deuteranopia (green-blind)

#28569D

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255c9e;
/* rgb */ color: rgb(37, 92, 158);
/* oklch */ color: oklch(47.3% 0.121 254.9);

Tailwind

colors: {
  custom: {
    50: '#7189bb',
    500: '#255c9e',
    950: '#000000',
  },
}

SCSS

$custom: #255c9e;
$custom-light: #7189bb;
$custom-dark: #000000;

JSON

{
  "hex": "#255c9e",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 158
  },
  "hsl": {
    "h": 212.727,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47334,
    "c": 0.12142,
    "h": 254.9
  },
  "luminance": 0.10516
}

Semantic roles & 50–950 ramp

primary

#255C9E

secondary

#C0945F

accent

#9B43E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255C9E

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

Preview Lab → · Contrast checker → · Palette generator →