#255F87#255F87

#255F87 is a mid, moderate cyan. Relative luminance 0.103; OKLCH L 46.7% C 0.088 H 242.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#255F87
RGB	rgb(37, 95, 135)
HSL	hsl(204, 57%, 34%)
HSV	hsv(204, 73%, 53%)
CMYK	cmyk(72.6%, 29.6%, 0%, 47.1%)
CIE-LAB	lab(38.42, -4.78, -27.69)
CIE-LCH	lch(38.42, 28.10, 260.20°)
OKLab	oklab(46.67% -0.0411 -0.0782)
OKLCH	oklch(46.67% 0.088 242.3)
XYZ	xyz(9.2266, 10.3260, 24.4238)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F87 #874D25

analogous

#25877E #255F87 #252E87

triadic

#255F87 #87255F #5F8725

tetradic

#255F87 #7E2587 #874D25 #2E8725

square

#255F87 #7E2587 #874D25 #2E8725

split-complementary

#255F87 #87252E #877E25

monochromatic

#0B1B27 #183D57 #255F87 #3281B7 #569ED1

Accessibility & contrast

On white

6.85

#255F87 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#255F87 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #255F87

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F87	#FFFFFF	#000000	##FFFFFF
##255F87	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6089

Deuteranopia (green-blind)

#3F5686

Tritanopia (blue-blind)

#00696D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #255f87;
/* rgb */ color: rgb(37, 95, 135);
/* oklch */ color: oklch(46.7% 0.088 242.3);

Tailwind

colors: {
  custom: {
    50: '#6d8caa',
    500: '#255f87',
    950: '#000000',
  },
}

SCSS

$custom: #255f87;
$custom-light: #6d8caa;
$custom-dark: #000000;

JSON

{
  "hex": "#255f87",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 135
  },
  "hsl": {
    "h": 204.49,
    "s": 56.977,
    "l": 33.725
  },
  "oklch": {
    "l": 0.46665,
    "c": 0.08834,
    "h": 242.3
  },
  "luminance": 0.10327
}

Semantic roles & 50–950 ramp

primary

#255F87

secondary

#B57B53

accent

#8648E0

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#080C10

muted

#7A7D7F

Preview Lab

Preview with #255F87

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

Preview Lab → · Contrast checker → · Palette generator →