#255D6F#255D6F

#255D6F is a dark, moderate cyan. Relative luminance 0.094; OKLCH L 44.9% C 0.065 H 222.3°. Best body text is #FFFFFF at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#255D6F
RGB	rgb(37, 93, 111)
HSL	hsl(195, 50%, 29%)
HSV	hsv(195, 67%, 44%)
CMYK	cmyk(66.7%, 16.2%, 0%, 56.5%)
CIE-LAB	lab(36.69, -12.20, -15.68)
CIE-LCH	lch(36.69, 19.86, 232.11°)
OKLab	oklab(44.92% -0.048 -0.0437)
OKLCH	oklch(44.92% 0.065 222.3)
XYZ	xyz(7.5454, 9.3689, 16.4466)
Luminance	0.0937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D6F #6F3725

analogous

#256F5C #255D6F #25386F

triadic

#255D6F #6F255D #5D6F25

tetradic

#255D6F #5C256F #6F3725 #386F25

square

#255D6F #5C256F #6F3725 #386F25

split-complementary

#255D6F #6F2538 #6F5C25

monochromatic

#081317 #163741 #255D6F #34839D #4BA6C3

Accessibility & contrast

On white

7.31

#255D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#255D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D6F

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D6F	#FFFFFF	#000000	##FFFFFF
##255D6F	1.00	7.31	2.87	7.31
#FFFFFF	7.31	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535B70

Deuteranopia (green-blind)

#48536F

Tritanopia (blue-blind)

#006363

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255d6f;
/* rgb */ color: rgb(37, 93, 111);
/* oklch */ color: oklch(44.9% 0.065 222.3);

Tailwind

colors: {
  custom: {
    50: '#698b98',
    500: '#255d6f',
    950: '#000000',
  },
}

SCSS

$custom: #255d6f;
$custom-light: #698b98;
$custom-dark: #000000;

JSON

{
  "hex": "#255d6f",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 111
  },
  "hsl": {
    "h": 194.595,
    "s": 50,
    "l": 29.02
  },
  "oklch": {
    "l": 0.44924,
    "c": 0.06488,
    "h": 222.3
  },
  "luminance": 0.0937
}

Semantic roles & 50–950 ramp

primary

#255D6F

secondary

#A2624E

accent

#704EDA

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #255D6F

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

Preview Lab → · Contrast checker → · Palette generator →