#255E87#255E87

#255E87 is a mid, moderate cyan. Relative luminance 0.101; OKLCH L 46.4% C 0.089 H 243.3°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#255E87
RGB	rgb(37, 94, 135)
HSL	hsl(205, 57%, 34%)
HSV	hsv(205, 73%, 53%)
CMYK	cmyk(72.6%, 30.4%, 0%, 47.1%)
CIE-LAB	lab(38.10, -4.16, -28.19)
CIE-LCH	lch(38.10, 28.49, 261.60°)
OKLab	oklab(46.42% -0.04 -0.0797)
OKLCH	oklch(46.42% 0.089 243.3)
XYZ	xyz(9.1371, 10.1470, 24.3940)
Luminance	0.1015 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E87 #874E25

analogous

#25877F #255E87 #252D87

triadic

#255E87 #87255E #5E8725

tetradic

#255E87 #7F2587 #874E25 #2D8725

square

#255E87 #7F2587 #874E25 #2D8725

split-complementary

#255E87 #87252D #877F25

monochromatic

#0B1B27 #183D57 #255E87 #327FB7 #569DD1

Accessibility & contrast

On white

6.93

#255E87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#255E87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255E87

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E87	#FFFFFF	#000000	##FFFFFF
##255E87	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B5F89

Deuteranopia (green-blind)

#3E5586

Tritanopia (blue-blind)

#00686C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255e87;
/* rgb */ color: rgb(37, 94, 135);
/* oklch */ color: oklch(46.4% 0.089 243.3);

Tailwind

colors: {
  custom: {
    50: '#6d8baa',
    500: '#255e87',
    950: '#000000',
  },
}

SCSS

$custom: #255e87;
$custom-light: #6d8baa;
$custom-dark: #000000;

JSON

{
  "hex": "#255e87",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 135
  },
  "hsl": {
    "h": 205.102,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.46415,
    "c": 0.08914,
    "h": 243.3
  },
  "luminance": 0.10148
}

Semantic roles & 50–950 ramp

primary

#255E87

secondary

#B57C53

accent

#8748E0

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #255E87

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

Preview Lab → · Contrast checker → · Palette generator →