#255663#255663

#255663 is a dark, muted cyan. Relative luminance 0.080; OKLCH L 42.5% C 0.057 H 217.8°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#255663
RGB	rgb(37, 86, 99)
HSL	hsl(193, 46%, 27%)
HSV	hsv(193, 63%, 39%)
CMYK	cmyk(62.6%, 13.1%, 0%, 61.2%)
CIE-LAB	lab(33.88, -12.19, -12.49)
CIE-LCH	lch(33.88, 17.45, 225.71°)
OKLab	oklab(42.51% -0.0448 -0.0347)
OKLCH	oklch(42.51% 0.057 217.8)
XYZ	xyz(6.3420, 7.9491, 13.0021)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255663 #633225

analogous

#256351 #255663 #253763

triadic

#255663 #632556 #566325

tetradic

#255663 #512563 #633225 #376325

square

#255663 #512563 #633225 #376325

split-complementary

#255663 #632537 #635125

monochromatic

#081316 #142F36 #255663 #367D90 #48A2BB

Accessibility & contrast

On white

8.11

#255663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#255663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255663

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255663	#FFFFFF	#000000	##FFFFFF
##255663	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5464

Deuteranopia (green-blind)

#444D63

Tritanopia (blue-blind)

#005B5A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #255663;
/* rgb */ color: rgb(37, 86, 99);
/* oklch */ color: oklch(42.5% 0.057 217.8);

Tailwind

colors: {
  custom: {
    50: '#66858f',
    500: '#255663',
    950: '#000000',
  },
}

SCSS

$custom: #255663;
$custom-light: #66858f;
$custom-dark: #000000;

JSON

{
  "hex": "#255663",
  "rgb": {
    "r": 37,
    "g": 86,
    "b": 99
  },
  "hsl": {
    "h": 192.581,
    "s": 45.588,
    "l": 26.667
  },
  "oklch": {
    "l": 0.42514,
    "c": 0.05663,
    "h": 217.8
  },
  "luminance": 0.0795
}

Semantic roles & 50–950 ramp

primary

#255663

secondary

#965D4E

accent

#6E53D5

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #255663

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

Preview Lab → · Contrast checker → · Palette generator →