#255F6D#255F6D

#255F6D is a mid, moderate cyan. Relative luminance 0.097; OKLCH L 45.4% C 0.064 H 216.4°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#255F6D
RGB	rgb(37, 95, 109)
HSL	hsl(192, 49%, 29%)
HSV	hsv(192, 66%, 43%)
CMYK	cmyk(66.1%, 12.8%, 0%, 57.3%)
CIE-LAB	lab(37.26, -14.04, -13.56)
CIE-LCH	lch(37.26, 19.52, 223.99°)
OKLab	oklab(45.36% -0.0512 -0.0377)
OKLCH	oklch(45.36% 0.064 216.4)
XYZ	xyz(7.6144, 9.6811, 15.9324)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F6D #6D3325

analogous

#256D57 #255F6D #253B6D

triadic

#255F6D #6D255F #5F6D25

tetradic

#255F6D #57256D #6D3325 #3B6D25

square

#255F6D #57256D #6D3325 #3B6D25

split-complementary

#255F6D #6D253B #6D5725

monochromatic

#081417 #15373F #255F6D #35879B #4BABC2

Accessibility & contrast

On white

7.15

#255F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#255F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255F6D

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F6D	#FFFFFF	#000000	##FFFFFF
##255F6D	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555C6E

Deuteranopia (green-blind)

#4B546D

Tritanopia (blue-blind)

#006463

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #255f6d;
/* rgb */ color: rgb(37, 95, 109);
/* oklch */ color: oklch(45.4% 0.064 216.4);

Tailwind

colors: {
  custom: {
    50: '#698c96',
    500: '#255f6d',
    950: '#000000',
  },
}

SCSS

$custom: #255f6d;
$custom-light: #698c96;
$custom-dark: #000000;

JSON

{
  "hex": "#255f6d",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 109
  },
  "hsl": {
    "h": 191.667,
    "s": 49.315,
    "l": 28.627
  },
  "oklch": {
    "l": 0.45361,
    "c": 0.06356,
    "h": 216.4
  },
  "luminance": 0.09682
}

Semantic roles & 50–950 ramp

primary

#255F6D

secondary

#A05E4E

accent

#6A4FD9

background

#F6F8F9

surface

#EBF0F2

border

#C6CBCC

text

#070C0D

muted

#7A7D7E

Preview Lab

Preview with #255F6D

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

Preview Lab → · Contrast checker → · Palette generator →