#255F9E#255F9E

#255F9E is a mid, moderate cyan. Relative luminance 0.110; OKLCH L 48.0% C 0.118 H 253.1°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#255F9E
RGB	rgb(37, 95, 158)
HSL	hsl(211, 62%, 38%)
HSV	hsv(211, 77%, 62%)
CMYK	cmyk(76.6%, 39.9%, 0%, 38%)
CIE-LAB	lab(39.66, 3.94, -39.58)
CIE-LCH	lch(39.66, 39.78, 275.69°)
OKLab	oklab(48.04% -0.0343 -0.113)
OKLCH	oklch(48.04% 0.118 253.1)
XYZ	xyz(11.0244, 11.0451, 33.8920)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F9E #9E6425

analogous

#259B9E #255F9E #28259E

triadic

#255F9E #9E255F #5F9E25

tetradic

#255F9E #9E259B #9E6425 #259E28

square

#255F9E #9E259B #9E6425 #259E28

split-complementary

#255F9E #9E2825 #9B9E25

monochromatic

#0E233B #19416C #255F9E #317DCF #639CDA

Accessibility & contrast

On white

6.54

#255F9E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#255F9E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F9E

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F9E	#FFFFFF	#000000	##FFFFFF
##255F9E	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4163A1

Deuteranopia (green-blind)

#2E589D

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #255f9e;
/* rgb */ color: rgb(37, 95, 158);
/* oklch */ color: oklch(48.0% 0.118 253.1);

Tailwind

colors: {
  custom: {
    50: '#718cbb',
    500: '#255f9e',
    950: '#000000',
  },
}

SCSS

$custom: #255f9e;
$custom-light: #718cbb;
$custom-dark: #000000;

JSON

{
  "hex": "#255f9e",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 158
  },
  "hsl": {
    "h": 211.24,
    "s": 62.051,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48039,
    "c": 0.11806,
    "h": 253.1
  },
  "luminance": 0.11046
}

Semantic roles & 50–950 ramp

primary

#255F9E

secondary

#C0915F

accent

#9743E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #255F9E

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

Preview Lab → · Contrast checker → · Palette generator →