#255F8D#255F8D

#255F8D is a mid, moderate cyan. Relative luminance 0.105; OKLCH L 47.0% C 0.096 H 245.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#255F8D
RGB	rgb(37, 95, 141)
HSL	hsl(207, 58%, 35%)
HSV	hsv(207, 74%, 55%)
CMYK	cmyk(73.8%, 32.6%, 0%, 44.7%)
CIE-LAB	lab(38.72, -2.54, -30.85)
CIE-LCH	lch(38.72, 30.95, 265.30°)
OKLab	oklab(47.01% -0.0391 -0.0874)
OKLCH	oklch(47.01% 0.096 245.9)
XYZ	xyz(9.6610, 10.4997, 26.7116)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F8D #8D5325

analogous

#258D87 #255F8D #252B8D

triadic

#255F8D #8D255F #5F8D25

tetradic

#255F8D #87258D #8D5325 #2B8D25

square

#255F8D #87258D #8D5325 #2B8D25

split-complementary

#255F8D #8D252B #8D8725

monochromatic

#0C1E2C #183E5D #255F8D #3280BD #599DD3

Accessibility & contrast

On white

6.77

#255F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#255F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F8D

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F8D	#FFFFFF	#000000	##FFFFFF
##255F8D	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A618F

Deuteranopia (green-blind)

#3C578C

Tritanopia (blue-blind)

#006A6F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #255f8d;
/* rgb */ color: rgb(37, 95, 141);
/* oklch */ color: oklch(47.0% 0.096 245.9);

Tailwind

colors: {
  custom: {
    50: '#6e8cae',
    500: '#255f8d',
    950: '#000000',
  },
}

SCSS

$custom: #255f8d;
$custom-light: #6e8cae;
$custom-dark: #000000;

JSON

{
  "hex": "#255f8d",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 141
  },
  "hsl": {
    "h": 206.538,
    "s": 58.427,
    "l": 34.902
  },
  "oklch": {
    "l": 0.47005,
    "c": 0.09575,
    "h": 245.9
  },
  "luminance": 0.10501
}

Semantic roles & 50–950 ramp

primary

#255F8D

secondary

#B88156

accent

#8B46E2

background

#F7F8FA

surface

#EDF0F4

border

#C8CBCE

text

#080C10

muted

#7B7D7F

Preview Lab

Preview with #255F8D

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

Preview Lab → · Contrast checker → · Palette generator →