#255866#255866

#255866 is a dark, muted cyan. Relative luminance 0.083; OKLCH L 43.2% C 0.059 H 218.6°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#255866
RGB	rgb(37, 88, 102)
HSL	hsl(193, 47%, 27%)
HSV	hsv(193, 64%, 40%)
CMYK	cmyk(63.7%, 13.7%, 0%, 60%)
CIE-LAB	lab(34.66, -12.35, -13.17)
CIE-LCH	lch(34.66, 18.06, 226.85°)
OKLab	oklab(43.18% -0.0459 -0.0366)
OKLCH	oklch(43.18% 0.059 218.6)
XYZ	xyz(6.6500, 8.3314, 13.8255)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255866 #663325

analogous

#256654 #255866 #253866

triadic

#255866 #662558 #586625

tetradic

#255866 #542566 #663325 #386625

square

#255866 #542566 #663325 #386625

split-complementary

#255866 #662538 #665425

monochromatic

#081316 #153139 #255866 #357F93 #49A4BD

Accessibility & contrast

On white

7.88

#255866 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#255866 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255866

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255866	#FFFFFF	#000000	##FFFFFF
##255866	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F5667

Deuteranopia (green-blind)

#464E66

Tritanopia (blue-blind)

#005D5C

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #255866;
/* rgb */ color: rgb(37, 88, 102);
/* oklch */ color: oklch(43.2% 0.059 218.6);

Tailwind

colors: {
  custom: {
    50: '#678791',
    500: '#255866',
    950: '#000000',
  },
}

SCSS

$custom: #255866;
$custom-light: #678791;
$custom-dark: #000000;

JSON

{
  "hex": "#255866",
  "rgb": {
    "r": 37,
    "g": 88,
    "b": 102
  },
  "hsl": {
    "h": 192.923,
    "s": 46.763,
    "l": 27.255
  },
  "oklch": {
    "l": 0.43184,
    "c": 0.05871,
    "h": 218.6
  },
  "luminance": 0.08332
}

Semantic roles & 50–950 ramp

primary

#255866

secondary

#995E4E

accent

#6E51D6

background

#F6F8F8

surface

#EBEFF0

border

#C6CACB

text

#060B0C

muted

#7A7C7D

Preview Lab

Preview with #255866

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

Preview Lab → · Contrast checker → · Palette generator →