#255D9C#255D9C

#255D9C is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.4% C 0.118 H 253.7°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#255D9C
RGB	rgb(37, 93, 156)
HSL	hsl(212, 62%, 38%)
HSV	hsv(212, 76%, 61%)
CMYK	cmyk(76.3%, 40.4%, 0%, 38.8%)
CIE-LAB	lab(38.93, 4.46, -39.54)
CIE-LCH	lch(38.93, 39.79, 276.43°)
OKLab	oklab(47.44% -0.0329 -0.1129)
OKLCH	oklch(47.44% 0.118 253.7)
XYZ	xyz(10.6758, 10.6211, 32.9335)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D9C #9C6425

analogous

#25989C #255D9C #29259C

triadic

#255D9C #9C255D #5D9C25

tetradic

#255D9C #9C2598 #9C6425 #259C29

square

#255D9C #9C2598 #9C6425 #259C29

split-complementary

#255D9C #9C2925 #989C25

monochromatic

#0E2239 #19406B #255D9C #317ACD #629ADA

Accessibility & contrast

On white

6.72

#255D9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#255D9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255D9C

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D9C	#FFFFFF	#000000	##FFFFFF
##255D9C	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F629F

Deuteranopia (green-blind)

#2C579B

Tritanopia (blue-blind)

#006C75

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255d9c;
/* rgb */ color: rgb(37, 93, 156);
/* oklch */ color: oklch(47.4% 0.118 253.7);

Tailwind

colors: {
  custom: {
    50: '#718ab9',
    500: '#255d9c',
    950: '#000000',
  },
}

SCSS

$custom: #255d9c;
$custom-light: #718ab9;
$custom-dark: #000000;

JSON

{
  "hex": "#255d9c",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 156
  },
  "hsl": {
    "h": 211.765,
    "s": 61.658,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47439,
    "c": 0.11757,
    "h": 253.7
  },
  "luminance": 0.10622
}

Semantic roles & 50–950 ramp

primary

#255D9C

secondary

#BF915E

accent

#9943E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090B11

muted

#7B7C80

Preview Lab

Preview with #255D9C

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

Preview Lab → · Contrast checker → · Palette generator →