#255F9F#255F9F

#255F9F is a mid, moderate cyan. Relative luminance 0.111; OKLCH L 48.1% C 0.119 H 253.4°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#255F9F
RGB	rgb(37, 95, 159)
HSL	hsl(211, 62%, 38%)
HSV	hsv(211, 77%, 62%)
CMYK	cmyk(76.7%, 40.3%, 0%, 37.6%)
CIE-LAB	lab(39.71, 4.33, -40.09)
CIE-LCH	lch(39.71, 40.32, 276.16°)
OKLab	oklab(48.1% -0.0341 -0.1144)
OKLCH	oklch(48.1% 0.119 253.4)
XYZ	xyz(11.1108, 11.0797, 34.3472)
Luminance	0.1108 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F9F #9F6525

analogous

#259C9F #255F9F #28259F

triadic

#255F9F #9F255F #5F9F25

tetradic

#255F9F #9F259C #9F6525 #259F28

square

#255F9F #9F259C #9F6525 #259F28

split-complementary

#255F9F #9F2825 #9C9F25

monochromatic

#0E243C #19416D #255F9F #327DCF #649CDB

Accessibility & contrast

On white

6.53

#255F9F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#255F9F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F9F

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F9F	#FFFFFF	#000000	##FFFFFF
##255F9F	1.00	6.53	3.22	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4164A2

Deuteranopia (green-blind)

#2D589E

Tritanopia (blue-blind)

#006E77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #255f9f;
/* rgb */ color: rgb(37, 95, 159);
/* oklch */ color: oklch(48.1% 0.119 253.4);

Tailwind

colors: {
  custom: {
    50: '#718bbc',
    500: '#255f9f',
    950: '#000000',
  },
}

SCSS

$custom: #255f9f;
$custom-light: #718bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#255f9f",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 159
  },
  "hsl": {
    "h": 211.475,
    "s": 62.245,
    "l": 38.431
  },
  "oklch": {
    "l": 0.48103,
    "c": 0.11941,
    "h": 253.4
  },
  "luminance": 0.11081
}

Semantic roles & 50–950 ramp

primary

#255F9F

secondary

#C0925F

accent

#9842E5

background

#F7F8FB

surface

#EDF0F6

border

#C8CBD0

text

#090C12

muted

#7B7D81

Preview Lab

Preview with #255F9F

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

Preview Lab → · Contrast checker → · Palette generator →