#255A9C#255A9C

#255A9C is a mid, vivid cyan. Relative luminance 0.101; OKLCH L 46.7% C 0.121 H 255.6°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#255A9C
RGB	rgb(37, 90, 156)
HSL	hsl(213, 62%, 38%)
HSV	hsv(213, 76%, 61%)
CMYK	cmyk(76.3%, 42.3%, 0%, 38.8%)
CIE-LAB	lab(38.03, 6.40, -40.98)
CIE-LCH	lch(38.03, 41.48, 278.87°)
OKLab	oklab(46.73% -0.0302 -0.1171)
OKLCH	oklch(46.73% 0.121 255.6)
XYZ	xyz(10.4176, 10.1048, 32.8474)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255A9C #9C6725

analogous

#25969C #255A9C #2B259C

triadic

#255A9C #9C255A #5A9C25

tetradic

#255A9C #9C2596 #9C6725 #259C2B

square

#255A9C #9C2596 #9C6725 #259C2B

split-complementary

#255A9C #9C2B25 #969C25

monochromatic

#0E2139 #193D6B #255A9C #3177CD #6297DA

Accessibility & contrast

On white

6.95

#255A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#255A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255A9C

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255A9C	#FFFFFF	#000000	##FFFFFF
##255A9C	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5F9F

Deuteranopia (green-blind)

#26549B

Tritanopia (blue-blind)

#006A73

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #255a9c;
/* rgb */ color: rgb(37, 90, 156);
/* oklch */ color: oklch(46.7% 0.121 255.6);

Tailwind

colors: {
  custom: {
    50: '#7188b9',
    500: '#255a9c',
    950: '#000000',
  },
}

SCSS

$custom: #255a9c;
$custom-light: #7188b9;
$custom-dark: #000000;

JSON

{
  "hex": "#255a9c",
  "rgb": {
    "r": 37,
    "g": 90,
    "b": 156
  },
  "hsl": {
    "h": 213.277,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.46734,
    "c": 0.12097,
    "h": 255.6
  },
  "luminance": 0.10106
}

Semantic roles & 50–950 ramp

primary

#255A9C

secondary

#BF945E

accent

#9D43E5

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255A9C

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

Preview Lab → · Contrast checker → · Palette generator →