#255F91#255F91

#255F91 is a mid, moderate cyan. Relative luminance 0.106; OKLCH L 47.2% C 0.101 H 247.9°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#255F91
RGB	rgb(37, 95, 145)
HSL	hsl(208, 59%, 36%)
HSV	hsv(208, 74%, 57%)
CMYK	cmyk(74.5%, 34.5%, 0%, 43.1%)
CIE-LAB	lab(38.93, -1.03, -32.93)
CIE-LCH	lch(38.93, 32.95, 268.21°)
OKLab	oklab(47.24% -0.0379 -0.0935)
OKLCH	oklch(47.24% 0.101 247.9)
XYZ	xyz(9.9641, 10.6209, 28.3075)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F91 #915725

analogous

#25918D #255F91 #252991

triadic

#255F91 #91255F #5F9125

tetradic

#255F91 #8D2591 #915725 #299125

square

#255F91 #8D2591 #915725 #299125

split-complementary

#255F91 #912529 #918D25

monochromatic

#0C1F2F #193F60 #255F91 #317FC2 #5B9DD5

Accessibility & contrast

On white

6.72

#255F91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#255F91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F91

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F91	#FFFFFF	#000000	##FFFFFF
##255F91	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)

#486193

Deuteranopia (green-blind)

#395790

Tritanopia (blue-blind)

#006B71

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #255f91;
/* rgb */ color: rgb(37, 95, 145);
/* oklch */ color: oklch(47.2% 0.101 247.9);

Tailwind

colors: {
  custom: {
    50: '#6e8cb1',
    500: '#255f91',
    950: '#000000',
  },
}

SCSS

$custom: #255f91;
$custom-light: #6e8cb1;
$custom-dark: #000000;

JSON

{
  "hex": "#255f91",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 145
  },
  "hsl": {
    "h": 207.778,
    "s": 59.341,
    "l": 35.686
  },
  "oklch": {
    "l": 0.47238,
    "c": 0.10086,
    "h": 247.9
  },
  "luminance": 0.10622
}

Semantic roles & 50–950 ramp

primary

#255F91

secondary

#BA8558

accent

#8E45E3

background

#F7F8FA

surface

#EDF0F5

border

#C8CBCF

text

#080C11

muted

#7B7D80

Preview Lab

Preview with #255F91

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

Preview Lab → · Contrast checker → · Palette generator →