#255D9D#255D9D

#255D9D is a mid, moderate cyan. Relative luminance 0.107; OKLCH L 47.5% C 0.119 H 254.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#255D9D
RGB	rgb(37, 93, 157)
HSL	hsl(212, 62%, 38%)
HSV	hsv(212, 76%, 62%)
CMYK	cmyk(76.4%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(38.99, 4.84, -40.04)
CIE-LCH	lch(38.99, 40.33, 276.90°)
OKLab	oklab(47.5% -0.0327 -0.1143)
OKLCH	oklch(47.5% 0.119 254)
XYZ	xyz(10.7608, 10.6551, 33.3813)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D9D #9D6525

analogous

#25999D #255D9D #29259D

triadic

#255D9D #9D255D #5D9D25

tetradic

#255D9D #9D2599 #9D6525 #259D29

square

#255D9D #9D2599 #9D6525 #259D29

split-complementary

#255D9D #9D2925 #999D25

monochromatic

#0E223A #19406B #255D9D #317ACE #629ADA

Accessibility & contrast

On white

6.71

#255D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#255D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D9D

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D9D	#FFFFFF	#000000	##FFFFFF
##255D9D	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F62A0

Deuteranopia (green-blind)

#2B579C

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255d9d;
/* rgb */ color: rgb(37, 93, 157);
/* oklch */ color: oklch(47.5% 0.119 254.0);

Tailwind

colors: {
  custom: {
    50: '#718aba',
    500: '#255d9d',
    950: '#000000',
  },
}

SCSS

$custom: #255d9d;
$custom-light: #718aba;
$custom-dark: #000000;

JSON

{
  "hex": "#255d9d",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 212,
    "s": 61.856,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47503,
    "c": 0.11893,
    "h": 254
  },
  "luminance": 0.10656
}

Semantic roles & 50–950 ramp

primary

#255D9D

secondary

#BF925E

accent

#9943E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B12

muted

#7B7C81

Preview Lab

Preview with #255D9D

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

Preview Lab → · Contrast checker → · Palette generator →