#255C6B#255C6B

#255C6B is a dark, moderate cyan. Relative luminance 0.091; OKLCH L 44.5% C 0.062 H 218.7°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#255C6B
RGB	rgb(37, 92, 107)
HSL	hsl(193, 49%, 28%)
HSV	hsv(193, 65%, 42%)
CMYK	cmyk(65.4%, 14%, 0%, 58%)
CIE-LAB	lab(36.19, -12.99, -13.95)
CIE-LCH	lch(36.19, 19.06, 227.06°)
OKLab	oklab(44.47% -0.0485 -0.0388)
OKLCH	oklch(44.47% 0.062 218.7)
XYZ	xyz(7.2429, 9.1084, 15.2835)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C6B #6B3425

analogous

#256B57 #255C6B #25396B

triadic

#255C6B #6B255C #5C6B25

tetradic

#255C6B #57256B #6B3425 #396B25

square

#255C6B #57256B #6B3425 #396B25

split-complementary

#255C6B #6B2539 #6B5725

monochromatic

#081417 #15353E #255C6B #358398 #4AA7C0

Accessibility & contrast

On white

7.44

#255C6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#255C6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C6B

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C6B	#FFFFFF	#000000	##FFFFFF
##255C6B	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)

#52596C

Deuteranopia (green-blind)

#48526B

Tritanopia (blue-blind)

#006161

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255c6b;
/* rgb */ color: rgb(37, 92, 107);
/* oklch */ color: oklch(44.5% 0.062 218.7);

Tailwind

colors: {
  custom: {
    50: '#688a95',
    500: '#255c6b',
    950: '#000000',
  },
}

SCSS

$custom: #255c6b;
$custom-light: #688a95;
$custom-dark: #000000;

JSON

{
  "hex": "#255c6b",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 107
  },
  "hsl": {
    "h": 192.857,
    "s": 48.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.44475,
    "c": 0.06212,
    "h": 218.7
  },
  "luminance": 0.09109
}

Semantic roles & 50–950 ramp

primary

#255C6B

secondary

#9E5F4E

accent

#6D50D8

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#070B0D

muted

#7A7C7E

Preview Lab

Preview with #255C6B

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

Preview Lab → · Contrast checker → · Palette generator →