#3F5259#3F5259

#3F5259 is a dark, muted cyan. Relative luminance 0.078; OKLCH L 42.5% C 0.026 H 222.4°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F5259
RGB	rgb(63, 82, 89)
HSL	hsl(196, 17%, 30%)
HSV	hsv(196, 29%, 35%)
CMYK	cmyk(29.2%, 7.9%, 0%, 65.1%)
CIE-LAB	lab(33.59, -5.47, -6.49)
CIE-LCH	lch(33.59, 8.49, 229.89°)
OKLab	oklab(42.54% -0.0194 -0.0177)
OKLCH	oklch(42.54% 0.026 222.4)
XYZ	xyz(6.8698, 7.8123, 10.5952)
Luminance	0.0781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5259 #59463F

analogous

#3F5953 #3F5259 #3F4559

triadic

#3F5259 #593F52 #52593F

tetradic

#3F5259 #533F59 #59463F #45593F

square

#3F5259 #533F59 #59463F #45593F

split-complementary

#3F5259 #593F45 #59533F

monochromatic

#0D1112 #263135 #3F5259 #58737D #75929D

Accessibility & contrast

On white

8.19

#3F5259 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#3F5259 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5259

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5259	#FFFFFF	#000000	##FFFFFF
##3F5259	1.00	8.19	2.56	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E5159

Deuteranopia (green-blind)

#4A4E59

Tritanopia (blue-blind)

#375454

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3f5259;
/* rgb */ color: rgb(63, 82, 89);
/* oklch */ color: oklch(42.5% 0.026 222.4);

Tailwind

colors: {
  custom: {
    50: '#758287',
    500: '#3f5259',
    950: '#000000',
  },
}

SCSS

$custom: #3f5259;
$custom-light: #758287;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5259",
  "rgb": {
    "r": 63,
    "g": 82,
    "b": 89
  },
  "hsl": {
    "h": 196.154,
    "s": 17.105,
    "l": 29.804
  },
  "oklch": {
    "l": 0.42536,
    "c": 0.02625,
    "h": 222.4
  },
  "luminance": 0.07813
}

Semantic roles & 50–950 ramp

primary

#3F5259

secondary

#88736B

accent

#826EBA

background

#F7F7F8

surface

#EDEEEF

border

#C8C9CA

text

#080A0B

muted

#7B7C7C

Preview Lab

Preview with #3F5259

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

Preview Lab → · Contrast checker → · Palette generator →