#255E75#255E75

#255E75 is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.5% C 0.070 H 227.9°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#255E75
RGB	rgb(37, 94, 117)
HSL	hsl(197, 52%, 30%)
HSV	hsv(197, 68%, 46%)
CMYK	cmyk(68.4%, 19.7%, 0%, 54.1%)
CIE-LAB	lab(37.27, -10.70, -18.48)
CIE-LCH	lch(37.27, 21.36, 239.94°)
OKLab	oklab(45.47% -0.0466 -0.0517)
OKLCH	oklch(45.47% 0.07 227.9)
XYZ	xyz(7.9753, 9.6822, 18.2747)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E75 #753C25

analogous

#257564 #255E75 #253675

triadic

#255E75 #75255E #5E7525

tetradic

#255E75 #642575 #753C25 #367525

square

#255E75 #642575 #753C25 #367525

split-complementary

#255E75 #752536 #756425

monochromatic

#081318 #163947 #255E75 #3483A3 #4EA4C7

Accessibility & contrast

On white

7.15

#255E75 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#255E75 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E75

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E75	#FFFFFF	#000000	##FFFFFF
##255E75	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525C76

Deuteranopia (green-blind)

#475475

Tritanopia (blue-blind)

#006566

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255e75;
/* rgb */ color: rgb(37, 94, 117);
/* oklch */ color: oklch(45.5% 0.070 227.9);

Tailwind

colors: {
  custom: {
    50: '#6a8b9c',
    500: '#255e75',
    950: '#000000',
  },
}

SCSS

$custom: #255e75;
$custom-light: #6a8b9c;
$custom-dark: #000000;

JSON

{
  "hex": "#255e75",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 117
  },
  "hsl": {
    "h": 197.25,
    "s": 51.948,
    "l": 30.196
  },
  "oklch": {
    "l": 0.45472,
    "c": 0.06961,
    "h": 227.9
  },
  "luminance": 0.09683
}

Semantic roles & 50–950 ramp

primary

#255E75

secondary

#A8684E

accent

#764CDB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0E

muted

#7A7D7E

Preview Lab

Preview with #255E75

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

Preview Lab → · Contrast checker → · Palette generator →