#255FA3#255FA3

#255FA3 is a mid, vivid cyan. Relative luminance 0.112; OKLCH L 48.4% C 0.125 H 254.6°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#255FA3
RGB	rgb(37, 95, 163)
HSL	hsl(212, 63%, 39%)
HSV	hsv(212, 77%, 64%)
CMYK	cmyk(77.3%, 41.7%, 0%, 36.1%)
CIE-LAB	lab(39.95, 5.88, -42.09)
CIE-LCH	lch(39.95, 42.50, 277.95°)
OKLab	oklab(48.36% -0.0331 -0.1203)
OKLCH	oklch(48.36% 0.125 254.6)
XYZ	xyz(11.4636, 11.2207, 36.2049)
Luminance	0.1122 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255FA3 #A36925

analogous

#259EA3 #255FA3 #2A25A3

triadic

#255FA3 #A3255F #5FA325

tetradic

#255FA3 #A3259E #A36925 #25A32A

square

#255FA3 #A3259E #A36925 #25A32A

split-complementary

#255FA3 #A32A25 #9EA325

monochromatic

#0E253F #1A4271 #255FA3 #347CD1 #669DDC

Accessibility & contrast

On white

6.47

#255FA3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#255FA3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255FA3

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255FA3	#FFFFFF	#000000	##FFFFFF
##255FA3	1.00	6.47	3.24	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E64A6

Deuteranopia (green-blind)

#2959A2

Tritanopia (blue-blind)

#006F79

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255fa3;
/* rgb */ color: rgb(37, 95, 163);
/* oklch */ color: oklch(48.4% 0.125 254.6);

Tailwind

colors: {
  custom: {
    50: '#728bbf',
    500: '#255fa3',
    950: '#000000',
  },
}

SCSS

$custom: #255fa3;
$custom-light: #728bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#255fa3",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 163
  },
  "hsl": {
    "h": 212.381,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48363,
    "c": 0.1248,
    "h": 254.6
  },
  "luminance": 0.11222
}

Semantic roles & 50–950 ramp

primary

#255FA3

secondary

#C29662

accent

#9A42E6

background

#F7F8FB

surface

#EDF0F7

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #255FA3

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

Preview Lab → · Contrast checker → · Palette generator →