#255F9D#255F9D

#255F9D is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 48.0% C 0.117 H 252.8°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#255F9D
RGB	rgb(37, 95, 157)
HSL	hsl(211, 62%, 38%)
HSV	hsv(211, 76%, 62%)
CMYK	cmyk(76.4%, 39.5%, 0%, 38.4%)
CIE-LAB	lab(39.60, 3.56, -39.08)
CIE-LCH	lch(39.60, 39.24, 275.20°)
OKLab	oklab(47.98% -0.0346 -0.1115)
OKLCH	oklch(47.98% 0.117 252.8)
XYZ	xyz(10.9387, 11.0108, 33.4405)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F9D #9D6325

analogous

#259B9D #255F9D #27259D

triadic

#255F9D #9D255F #5F9D25

tetradic

#255F9D #9D259B #9D6325 #259D27

square

#255F9D #9D259B #9D6325 #259D27

split-complementary

#255F9D #9D2725 #9B9D25

monochromatic

#0E233A #19416B #255F9D #317DCE #629CDA

Accessibility & contrast

On white

6.56

#255F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#255F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F9D

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F9D	#FFFFFF	#000000	##FFFFFF
##255F9D	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4263A0

Deuteranopia (green-blind)

#2F589C

Tritanopia (blue-blind)

#006E76

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255f9d;
/* rgb */ color: rgb(37, 95, 157);
/* oklch */ color: oklch(48.0% 0.117 252.8);

Tailwind

colors: {
  custom: {
    50: '#718cba',
    500: '#255f9d',
    950: '#000000',
  },
}

SCSS

$custom: #255f9d;
$custom-light: #718cba;
$custom-dark: #000000;

JSON

{
  "hex": "#255f9d",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 157
  },
  "hsl": {
    "h": 211,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47976,
    "c": 0.11672,
    "h": 252.8
  },
  "luminance": 0.11012
}

Semantic roles & 50–950 ramp

primary

#255F9D

secondary

#BF915E

accent

#9743E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C11

muted

#7B7D80

Preview Lab

Preview with #255F9D

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

Preview Lab → · Contrast checker → · Palette generator →