#255C6F#255C6F

#255C6F is a dark, moderate cyan. Relative luminance 0.092; OKLCH L 44.7% C 0.065 H 224.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#255C6F
RGB	rgb(37, 92, 111)
HSL	hsl(195, 50%, 29%)
HSV	hsv(195, 67%, 44%)
CMYK	cmyk(66.7%, 17.1%, 0%, 56.5%)
CIE-LAB	lab(36.36, -11.61, -16.18)
CIE-LCH	lch(36.36, 19.92, 234.33°)
OKLab	oklab(44.66% -0.0468 -0.0451)
OKLCH	oklch(44.66% 0.065 224)
XYZ	xyz(7.4582, 9.1945, 16.4175)
Luminance	0.0920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C6F #6F3825

analogous

#256F5D #255C6F #25376F

triadic

#255C6F #6F255C #5C6F25

tetradic

#255C6F #5D256F #6F3825 #376F25

square

#255C6F #5D256F #6F3825 #376F25

split-complementary

#255C6F #6F2537 #6F5D25

monochromatic

#081317 #163641 #255C6F #34829D #4BA4C3

Accessibility & contrast

On white

7.40

#255C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#255C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C6F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C6F	#FFFFFF	#000000	##FFFFFF
##255C6F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#515A70

Deuteranopia (green-blind)

#47526F

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255c6f;
/* rgb */ color: rgb(37, 92, 111);
/* oklch */ color: oklch(44.7% 0.065 224.0);

Tailwind

colors: {
  custom: {
    50: '#698a98',
    500: '#255c6f',
    950: '#000000',
  },
}

SCSS

$custom: #255c6f;
$custom-light: #698a98;
$custom-dark: #000000;

JSON

{
  "hex": "#255c6f",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 111
  },
  "hsl": {
    "h": 195.405,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.44661,
    "c": 0.06501,
    "h": 224
  },
  "luminance": 0.09195
}

Semantic roles & 50–950 ramp

primary

#255C6F

secondary

#A2634E

accent

#724EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070B0D

muted

#7A7C7E

Preview Lab

Preview with #255C6F

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

Preview Lab → · Contrast checker → · Palette generator →