#255999#255999

#255999 is a mid, moderate cyan. Relative luminance 0.098; OKLCH L 46.3% C 0.118 H 255.3°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#255999
RGB	rgb(37, 89, 153)
HSL	hsl(213, 61%, 37%)
HSV	hsv(213, 76%, 60%)
CMYK	cmyk(75.8%, 41.8%, 0%, 40%)
CIE-LAB	lab(37.55, 5.88, -39.95)
CIE-LCH	lch(37.55, 40.38, 278.38°)
OKLab	oklab(46.3% -0.0299 -0.1141)
OKLCH	oklch(46.3% 0.118 255.3)
XYZ	xyz(10.0830, 9.8368, 31.4981)
Luminance	0.0984 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255999 #996525

analogous

#259399 #255999 #2B2599

triadic

#255999 #992559 #599925

tetradic

#255999 #992593 #996525 #25992B

square

#255999 #992593 #996525 #25992B

split-complementary

#255999 #992B25 #939925

monochromatic

#0D2036 #193C68 #255999 #3176CA #6096D9

Accessibility & contrast

On white

7.08

#255999 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#255999 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255999

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255999	#FFFFFF	#000000	##FFFFFF
##255999	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A5E9C

Deuteranopia (green-blind)

#275398

Tritanopia (blue-blind)

#006871

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255999;
/* rgb */ color: rgb(37, 89, 153);
/* oklch */ color: oklch(46.3% 0.118 255.3);

Tailwind

colors: {
  custom: {
    50: '#7087b7',
    500: '#255999',
    950: '#000000',
  },
}

SCSS

$custom: #255999;
$custom-light: #7087b7;
$custom-dark: #000000;

JSON

{
  "hex": "#255999",
  "rgb": {
    "r": 37,
    "g": 89,
    "b": 153
  },
  "hsl": {
    "h": 213.103,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46301,
    "c": 0.118,
    "h": 255.3
  },
  "luminance": 0.09838
}

Semantic roles & 50–950 ramp

primary

#255999

secondary

#BE925C

accent

#9C44E4

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255999

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

Preview Lab → · Contrast checker → · Palette generator →