#255B74#255B74

#255B74 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.6% C 0.070 H 231.3°. Best body text is #FFFFFF at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#255B74
RGB	rgb(37, 91, 116)
HSL	hsl(199, 52%, 30%)
HSV	hsv(199, 68%, 45%)
CMYK	cmyk(68.1%, 21.6%, 0%, 54.5%)
CIE-LAB	lab(36.24, -9.26, -19.44)
CIE-LCH	lch(36.24, 21.54, 244.53°)
OKLab	oklab(44.64% -0.0436 -0.0544)
OKLCH	oklch(44.64% 0.07 231.3)
XYZ	xyz(7.6552, 9.1356, 17.8795)
Luminance	0.0914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B74 #743E25

analogous

#257465 #255B74 #253474

triadic

#255B74 #74255B #5B7425

tetradic

#255B74 #652574 #743E25 #347425

square

#255B74 #652574 #743E25 #347425

split-complementary

#255B74 #742534 #746525

monochromatic

#071217 #163746 #255B74 #347FA2 #4DA0C6

Accessibility & contrast

On white

7.43

#255B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#255B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B74

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B74	#FFFFFF	#000000	##FFFFFF
##255B74	1.00	7.43	2.83	7.43
#FFFFFF	7.43	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5A75

Deuteranopia (green-blind)

#445274

Tritanopia (blue-blind)

#006263

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255b74;
/* rgb */ color: rgb(37, 91, 116);
/* oklch */ color: oklch(44.6% 0.070 231.3);

Tailwind

colors: {
  custom: {
    50: '#69899c',
    500: '#255b74',
    950: '#000000',
  },
}

SCSS

$custom: #255b74;
$custom-light: #69899c;
$custom-dark: #000000;

JSON

{
  "hex": "#255b74",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 116
  },
  "hsl": {
    "h": 198.987,
    "s": 51.634,
    "l": 30
  },
  "oklch": {
    "l": 0.44643,
    "c": 0.06975,
    "h": 231.3
  },
  "luminance": 0.09136
}

Semantic roles & 50–950 ramp

primary

#255B74

secondary

#A76A4E

accent

#7A4DDB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255B74

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

Preview Lab → · Contrast checker → · Palette generator →