#255D6D#255D6D

#255D6D is a dark, moderate cyan. Relative luminance 0.093; OKLCH L 44.8% C 0.063 H 219.7°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#255D6D
RGB	rgb(37, 93, 109)
HSL	hsl(193, 49%, 29%)
HSV	hsv(193, 66%, 43%)
CMYK	cmyk(66.1%, 14.7%, 0%, 57.3%)
CIE-LAB	lab(36.60, -12.89, -14.56)
CIE-LCH	lch(36.60, 19.45, 228.50°)
OKLab	oklab(44.83% -0.0488 -0.0405)
OKLCH	oklch(44.83% 0.063 219.7)
XYZ	xyz(7.4365, 9.3254, 15.8731)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D6D #6D3525

analogous

#256D59 #255D6D #25396D

triadic

#255D6D #6D255D #5D6D25

tetradic

#255D6D #59256D #6D3525 #396D25

square

#255D6D #59256D #6D3525 #396D25

split-complementary

#255D6D #6D2539 #6D5925

monochromatic

#081317 #15363F #255D6D #35849B #4BA7C2

Accessibility & contrast

On white

7.33

#255D6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#255D6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D6D

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D6D	#FFFFFF	#000000	##FFFFFF
##255D6D	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#535A6E

Deuteranopia (green-blind)

#49536D

Tritanopia (blue-blind)

#006262

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255d6d;
/* rgb */ color: rgb(37, 93, 109);
/* oklch */ color: oklch(44.8% 0.063 219.7);

Tailwind

colors: {
  custom: {
    50: '#688b96',
    500: '#255d6d',
    950: '#000000',
  },
}

SCSS

$custom: #255d6d;
$custom-light: #688b96;
$custom-dark: #000000;

JSON

{
  "hex": "#255d6d",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 109
  },
  "hsl": {
    "h": 193.333,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.44831,
    "c": 0.06346,
    "h": 219.7
  },
  "luminance": 0.09326
}

Semantic roles & 50–950 ramp

primary

#255D6D

secondary

#A0604E

accent

#6E4FD9

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #255D6D

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

Preview Lab → · Contrast checker → · Palette generator →