#255B73#255B73

#255B73 is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.6% C 0.069 H 230.2°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#255B73
RGB	rgb(37, 91, 115)
HSL	hsl(198, 51%, 30%)
HSV	hsv(198, 68%, 45%)
CMYK	cmyk(67.8%, 20.9%, 0%, 54.9%)
CIE-LAB	lab(36.20, -9.62, -18.89)
CIE-LCH	lch(36.20, 21.20, 243.02°)
OKLab	oklab(44.59% -0.044 -0.0529)
OKLCH	oklch(44.59% 0.069 230.2)
XYZ	xyz(7.5973, 9.1125, 17.5748)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B73 #733D25

analogous

#257364 #255B73 #253473

triadic

#255B73 #73255B #5B7325

tetradic

#255B73 #642573 #733D25 #347325

square

#255B73 #642573 #733D25 #347325

split-complementary

#255B73 #732534 #736425

monochromatic

#071217 #163645 #255B73 #3480A1 #4DA0C6

Accessibility & contrast

On white

7.44

#255B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#255B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B73

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B73	#FFFFFF	#000000	##FFFFFF
##255B73	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5A74

Deuteranopia (green-blind)

#445273

Tritanopia (blue-blind)

#006263

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255b73;
/* rgb */ color: rgb(37, 91, 115);
/* oklch */ color: oklch(44.6% 0.069 230.2);

Tailwind

colors: {
  custom: {
    50: '#69899b',
    500: '#255b73',
    950: '#000000',
  },
}

SCSS

$custom: #255b73;
$custom-light: #69899b;
$custom-dark: #000000;

JSON

{
  "hex": "#255b73",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 115
  },
  "hsl": {
    "h": 198.462,
    "s": 51.316,
    "l": 29.804
  },
  "oklch": {
    "l": 0.44593,
    "c": 0.06878,
    "h": 230.2
  },
  "luminance": 0.09113
}

Semantic roles & 50–950 ramp

primary

#255B73

secondary

#A6694E

accent

#794DDB

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0E

muted

#7A7C7E

Preview Lab

Preview with #255B73

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

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