#255C78#255C78

#255C78 is a mid, moderate cyan. Relative luminance 0.094; OKLCH L 45.1% C 0.073 H 233.9°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#255C78
RGB	rgb(37, 92, 120)
HSL	hsl(200, 53%, 31%)
HSV	hsv(200, 69%, 47%)
CMYK	cmyk(69.2%, 23.3%, 0%, 52.9%)
CIE-LAB	lab(36.75, -8.43, -21.13)
CIE-LCH	lch(36.75, 22.75, 248.24°)
OKLab	oklab(45.1% -0.0432 -0.0593)
OKLCH	oklch(45.1% 0.073 233.9)
XYZ	xyz(7.9789, 9.4028, 19.1601)
Luminance	0.0940 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C78 #784125

analogous

#25786A #255C78 #253278

triadic

#255C78 #78255C #5C7825

tetradic

#255C78 #6A2578 #784125 #327825

square

#255C78 #6A2578 #784125 #327825

split-complementary

#255C78 #782532 #786A25

monochromatic

#08141A #173849 #255C78 #3380A7 #4FA0C9

Accessibility & contrast

On white

7.29

#255C78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#255C78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C78

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C78	#FFFFFF	#000000	##FFFFFF
##255C78	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5B79

Deuteranopia (green-blind)

#435378

Tritanopia (blue-blind)

#006365

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255c78;
/* rgb */ color: rgb(37, 92, 120);
/* oklch */ color: oklch(45.1% 0.073 233.9);

Tailwind

colors: {
  custom: {
    50: '#6a8a9f',
    500: '#255c78',
    950: '#000000',
  },
}

SCSS

$custom: #255c78;
$custom-light: #6a8a9f;
$custom-dark: #000000;

JSON

{
  "hex": "#255c78",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 120
  },
  "hsl": {
    "h": 200.241,
    "s": 52.866,
    "l": 30.784
  },
  "oklch": {
    "l": 0.45104,
    "c": 0.07333,
    "h": 233.9
  },
  "luminance": 0.09404
}

Semantic roles & 50–950 ramp

primary

#255C78

secondary

#AA6D4E

accent

#7C4CDC

background

#F6F8F9

surface

#ECF0F2

border

#C7CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255C78

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

Preview Lab → · Contrast checker → · Palette generator →