#255D78#255D78

#255D78 is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.4% C 0.073 H 232.5°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#255D78
RGB	rgb(37, 93, 120)
HSL	hsl(200, 53%, 31%)
HSV	hsv(200, 69%, 47%)
CMYK	cmyk(69.2%, 22.5%, 0%, 52.9%)
CIE-LAB	lab(37.07, -9.04, -20.63)
CIE-LCH	lch(37.07, 22.52, 246.34°)
OKLab	oklab(45.36% -0.0443 -0.0578)
OKLCH	oklch(45.36% 0.073 232.5)
XYZ	xyz(8.0661, 9.5772, 19.1891)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D78 #784025

analogous

#257869 #255D78 #253378

triadic

#255D78 #78255D #5D7825

tetradic

#255D78 #692578 #784025 #337825

square

#255D78 #692578 #784025 #337825

split-complementary

#255D78 #782533 #786925

monochromatic

#08141A #173949 #255D78 #3381A7 #4FA1C9

Accessibility & contrast

On white

7.20

#255D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#255D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D78

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D78	#FFFFFF	#000000	##FFFFFF
##255D78	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#505C79

Deuteranopia (green-blind)

#445478

Tritanopia (blue-blind)

#006466

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #255d78;
/* rgb */ color: rgb(37, 93, 120);
/* oklch */ color: oklch(45.4% 0.073 232.5);

Tailwind

colors: {
  custom: {
    50: '#6a8a9f',
    500: '#255d78',
    950: '#000000',
  },
}

SCSS

$custom: #255d78;
$custom-light: #6a8a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#255d78",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 120
  },
  "hsl": {
    "h": 199.518,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45362,
    "c": 0.07285,
    "h": 232.5
  },
  "luminance": 0.09578
}

Semantic roles & 50–950 ramp

primary

#255D78

secondary

#AA6C4E

accent

#7B4CDC

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255D78

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

Preview Lab → · Contrast checker → · Palette generator →