#255FA6#255FA6

#255FA6 is a mid, vivid cyan. Relative luminance 0.113; OKLCH L 48.6% C 0.129 H 255.4°. Best body text is #FFFFFF at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#255FA6
RGB	rgb(37, 95, 166)
HSL	hsl(213, 64%, 40%)
HSV	hsv(213, 78%, 65%)
CMYK	cmyk(77.7%, 42.8%, 0%, 34.9%)
CIE-LAB	lab(40.13, 7.04, -43.59)
CIE-LCH	lch(40.13, 44.15, 279.17°)
OKLab	oklab(48.56% -0.0325 -0.1247)
OKLCH	oklch(48.56% 0.129 255.4)
XYZ	xyz(11.7355, 11.3295, 37.6373)
Luminance	0.1133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FA6 #A66C25

analogous

#25A0A6 #255FA6 #2B25A6

triadic

#255FA6 #A6255F #5FA625

tetradic

#255FA6 #A625A0 #A66C25 #25A62B

square

#255FA6 #A625A0 #A66C25 #25A62B

split-complementary

#255FA6 #A62B25 #A0A625

monochromatic

#0F2642 #1A4274 #255FA6 #367CD2 #689DDD

Accessibility & contrast

On white

6.43

#255FA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#255FA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FA6

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FA6	#FFFFFF	#000000	##FFFFFF
##255FA6	1.00	6.43	3.27	6.43
#FFFFFF	6.43	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A9

Deuteranopia (green-blind)

#2559A5

Tritanopia (blue-blind)

#00707A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #255fa6;
/* rgb */ color: rgb(37, 95, 166);
/* oklch */ color: oklch(48.6% 0.129 255.4);

Tailwind

colors: {
  custom: {
    50: '#738bc1',
    500: '#255fa6',
    950: '#000000',
  },
}

SCSS

$custom: #255fa6;
$custom-light: #738bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#255fa6",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 166
  },
  "hsl": {
    "h": 213.023,
    "s": 63.547,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48562,
    "c": 0.12887,
    "h": 255.4
  },
  "luminance": 0.11331
}

Semantic roles & 50–950 ramp

primary

#255FA6

secondary

#C39864

accent

#9C41E7

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #255FA6

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

Preview Lab → · Contrast checker → · Palette generator →