#255F99#255F99

#255F99 is a mid, moderate cyan. Relative luminance 0.109; OKLCH L 47.7% C 0.111 H 251.4°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#255F99
RGB	rgb(37, 95, 153)
HSL	hsl(210, 61%, 37%)
HSV	hsv(210, 76%, 60%)
CMYK	cmyk(75.8%, 37.9%, 0%, 40%)
CIE-LAB	lab(39.37, 2.02, -37.05)
CIE-LCH	lch(39.37, 37.10, 273.13°)
OKLab	oklab(47.72% -0.0356 -0.1055)
OKLCH	oklch(47.72% 0.111 251.4)
XYZ	xyz(10.6028, 10.8764, 31.6714)
Luminance	0.1088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F99 #995F25

analogous

#259999 #255F99 #252599

triadic

#255F99 #99255F #5F9925

tetradic

#255F99 #992599 #995F25 #259925

square

#255F99 #992599 #995F25 #259925

split-complementary

#255F99 #992525 #999925

monochromatic

#0D2236 #194068 #255F99 #317ECA #609CD9

Accessibility & contrast

On white

6.61

#255F99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#255F99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F99

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F99	#FFFFFF	#000000	##FFFFFF
##255F99	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#44639B

Deuteranopia (green-blind)

#335898

Tritanopia (blue-blind)

#006D74

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255f99;
/* rgb */ color: rgb(37, 95, 153);
/* oklch */ color: oklch(47.7% 0.111 251.4);

Tailwind

colors: {
  custom: {
    50: '#708cb7',
    500: '#255f99',
    950: '#000000',
  },
}

SCSS

$custom: #255f99;
$custom-light: #708cb7;
$custom-dark: #000000;

JSON

{
  "hex": "#255f99",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 153
  },
  "hsl": {
    "h": 210,
    "s": 61.053,
    "l": 37.255
  },
  "oklch": {
    "l": 0.47724,
    "c": 0.11137,
    "h": 251.4
  },
  "luminance": 0.10878
}

Semantic roles & 50–950 ramp

primary

#255F99

secondary

#BE8D5C

accent

#9444E4

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #255F99

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

Preview Lab → · Contrast checker → · Palette generator →