#255D6E#255D6E

#255D6E is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.9% C 0.064 H 221.0°. Best body text is #FFFFFF at 7.32:1 contrast (WCAG AA passes).

Color values

HEX	#255D6E
RGB	rgb(37, 93, 110)
HSL	hsl(194, 50%, 29%)
HSV	hsv(194, 66%, 43%)
CMYK	cmyk(66.4%, 15.5%, 0%, 56.9%)
CIE-LAB	lab(36.64, -12.54, -15.12)
CIE-LCH	lch(36.64, 19.65, 230.32°)
OKLab	oklab(44.88% -0.0484 -0.0421)
OKLCH	oklch(44.88% 0.064 221)
XYZ	xyz(7.4906, 9.3470, 16.1582)
Luminance	0.0935 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D6E #6E3625

analogous

#256E5B #255D6E #25396E

triadic

#255D6E #6E255D #5D6E25

tetradic

#255D6E #5B256E #6E3625 #396E25

square

#255D6E #5B256E #6E3625 #396E25

split-complementary

#255D6E #6E2539 #6E5B25

monochromatic

#081317 #163640 #255D6E #34849C #4BA7C2

Accessibility & contrast

On white

7.32

#255D6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#255D6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D6E

7.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D6E	#FFFFFF	#000000	##FFFFFF
##255D6E	1.00	7.32	2.87	7.32
#FFFFFF	7.32	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535B6F

Deuteranopia (green-blind)

#48536E

Tritanopia (blue-blind)

#006362

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255d6e;
/* rgb */ color: rgb(37, 93, 110);
/* oklch */ color: oklch(44.9% 0.064 221.0);

Tailwind

colors: {
  custom: {
    50: '#688b97',
    500: '#255d6e',
    950: '#000000',
  },
}

SCSS

$custom: #255d6e;
$custom-light: #688b97;
$custom-dark: #000000;

JSON

{
  "hex": "#255d6e",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 110
  },
  "hsl": {
    "h": 193.973,
    "s": 49.66,
    "l": 28.824
  },
  "oklch": {
    "l": 0.44878,
    "c": 0.06415,
    "h": 221
  },
  "luminance": 0.09348
}

Semantic roles & 50–950 ramp

primary

#255D6E

secondary

#A1614E

accent

#6F4FD9

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #255D6E

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

Preview Lab → · Contrast checker → · Palette generator →