#255C7F#255C7F

#255C7F is a mid, moderate cyan. Relative luminance 0.096; OKLCH L 45.5% C 0.081 H 240.0°. Best body text is #FFFFFF at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#255C7F
RGB	rgb(37, 92, 127)
HSL	hsl(203, 55%, 32%)
HSV	hsv(203, 71%, 50%)
CMYK	cmyk(70.9%, 27.6%, 0%, 50.2%)
CIE-LAB	lab(37.08, -5.89, -24.92)
CIE-LCH	lch(37.08, 25.60, 256.70°)
OKLab	oklab(45.47% -0.0406 -0.0702)
OKLCH	oklch(45.47% 0.081 240)
XYZ	xyz(8.4194, 9.5790, 21.4798)
Luminance	0.0958 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255C7F #7F4825

analogous

#257F75 #255C7F #252F7F

triadic

#255C7F #7F255C #5C7F25

tetradic

#255C7F #75257F #7F4825 #2F7F25

square

#255C7F #75257F #7F4825 #2F7F25

split-complementary

#255C7F #7F252F #7F7525

monochromatic

#091720 #173A50 #255C7F #337EAE #529DCD

Accessibility & contrast

On white

7.20

#255C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#255C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255C7F

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255C7F	#FFFFFF	#000000	##FFFFFF
##255C7F	1.00	7.20	2.92	7.20
#FFFFFF	7.20	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C5C81

Deuteranopia (green-blind)

#40537E

Tritanopia (blue-blind)

#006568

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #255c7f;
/* rgb */ color: rgb(37, 92, 127);
/* oklch */ color: oklch(45.5% 0.081 240.0);

Tailwind

colors: {
  custom: {
    50: '#6b8aa4',
    500: '#255c7f',
    950: '#000000',
  },
}

SCSS

$custom: #255c7f;
$custom-light: #6b8aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#255c7f",
  "rgb": {
    "r": 37,
    "g": 92,
    "b": 127
  },
  "hsl": {
    "h": 203.333,
    "s": 54.878,
    "l": 32.157
  },
  "oklch": {
    "l": 0.45472,
    "c": 0.0811,
    "h": 240
  },
  "luminance": 0.0958
}

Semantic roles & 50–950 ramp

primary

#255C7F

secondary

#B1754F

accent

#834ADE

background

#F6F8FA

surface

#ECF0F4

border

#C7CBCE

text

#070B0F

muted

#7A7C7F

Preview Lab

Preview with #255C7F

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

Preview Lab → · Contrast checker → · Palette generator →