#255B68#255B68

#255B68 is a dark, moderate cyan. Relative luminance 0.089; OKLCH L 44.1% C 0.060 H 216.1°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#255B68
RGB	rgb(37, 91, 104)
HSL	hsl(192, 48%, 28%)
HSV	hsv(192, 64%, 41%)
CMYK	cmyk(64.4%, 12.5%, 0%, 59.2%)
CIE-LAB	lab(35.74, -13.42, -12.78)
CIE-LCH	lch(35.74, 18.53, 223.59°)
OKLab	oklab(44.07% -0.0486 -0.0355)
OKLCH	oklch(44.07% 0.06 216.1)
XYZ	xyz(7.0017, 8.8743, 14.4379)
Luminance	0.0887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B68 #683225

analogous

#256854 #255B68 #253968

triadic

#255B68 #68255B #5B6825

tetradic

#255B68 #542568 #683225 #396825

square

#255B68 #542568 #683225 #396825

split-complementary

#255B68 #682539 #685425

monochromatic

#081417 #15343B #255B68 #358295 #49A8BE

Accessibility & contrast

On white

7.57

#255B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#255B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B68

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B68	#FFFFFF	#000000	##FFFFFF
##255B68	1.00	7.57	2.77	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525869

Deuteranopia (green-blind)

#485168

Tritanopia (blue-blind)

#00605F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255b68;
/* rgb */ color: rgb(37, 91, 104);
/* oklch */ color: oklch(44.1% 0.060 216.1);

Tailwind

colors: {
  custom: {
    50: '#688993',
    500: '#255b68',
    950: '#000000',
  },
}

SCSS

$custom: #255b68;
$custom-light: #688993;
$custom-dark: #000000;

JSON

{
  "hex": "#255b68",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 104
  },
  "hsl": {
    "h": 191.642,
    "s": 47.518,
    "l": 27.647
  },
  "oklch": {
    "l": 0.44074,
    "c": 0.06021,
    "h": 216.1
  },
  "luminance": 0.08875
}

Semantic roles & 50–950 ramp

primary

#255B68

secondary

#9B5D4E

accent

#6B51D7

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060B0D

muted

#7A7C7E

Preview Lab

Preview with #255B68

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

Preview Lab → · Contrast checker → · Palette generator →