#255D99#255D99

#255D99 is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.2% C 0.114 H 252.7°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#255D99
RGB	rgb(37, 93, 153)
HSL	hsl(211, 61%, 37%)
HSV	hsv(211, 76%, 60%)
CMYK	cmyk(75.8%, 39.2%, 0%, 40%)
CIE-LAB	lab(38.76, 3.30, -38.02)
CIE-LCH	lch(38.76, 38.16, 274.96°)
OKLab	oklab(47.25% -0.0337 -0.1084)
OKLCH	oklch(47.25% 0.114 252.7)
XYZ	xyz(10.4249, 10.5207, 31.6121)
Luminance	0.1052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D99 #996125

analogous

#259799 #255D99 #272599

triadic

#255D99 #99255D #5D9925

tetradic

#255D99 #992597 #996125 #259927

square

#255D99 #992597 #996125 #259927

split-complementary

#255D99 #992725 #979925

monochromatic

#0D2136 #193F68 #255D99 #317BCA #609AD9

Accessibility & contrast

On white

6.76

#255D99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#255D99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D99

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D99	#FFFFFF	#000000	##FFFFFF
##255D99	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41619B

Deuteranopia (green-blind)

#2F5698

Tritanopia (blue-blind)

#006B73

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255d99;
/* rgb */ color: rgb(37, 93, 153);
/* oklch */ color: oklch(47.2% 0.114 252.7);

Tailwind

colors: {
  custom: {
    50: '#708ab7',
    500: '#255d99',
    950: '#000000',
  },
}

SCSS

$custom: #255d99;
$custom-light: #708ab7;
$custom-dark: #000000;

JSON

{
  "hex": "#255d99",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 153
  },
  "hsl": {
    "h": 211.034,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47247,
    "c": 0.11352,
    "h": 252.7
  },
  "luminance": 0.10522
}

Semantic roles & 50–950 ramp

primary

#255D99

secondary

#BE8F5C

accent

#9744E4

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255D99

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

Preview Lab → · Contrast checker → · Palette generator →