#303840#303840

#303840 is a dark, near-neutral cyan. Relative luminance 0.038; OKLCH L 33.6% C 0.018 H 248.3°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#303840
RGB	rgb(48, 56, 64)
HSL	hsl(210, 14%, 22%)
HSV	hsv(210, 25%, 25%)
CMYK	cmyk(25%, 12.5%, 0%, 74.9%)
CIE-LAB	lab(23.09, -1.23, -6.09)
CIE-LCH	lch(23.09, 6.21, 258.59°)
OKLab	oklab(33.65% -0.0066 -0.0165)
OKLCH	oklch(33.65% 0.018 248.3)
XYZ	xyz(3.5583, 3.8268, 5.4007)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303840 #403830

analogous

#304040 #303840 #303040

triadic

#303840 #403038 #384030

tetradic

#303840 #403040 #403830 #304030

square

#303840 #403040 #403830 #304030

split-complementary

#303840 #403030 #404030

monochromatic

#0D0F11 #16191D #303840 #4A5763 #647586

Accessibility & contrast

On white

11.90

#303840 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#303840 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303840

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303840	#FFFFFF	#000000	##FFFFFF
##303840	1.00	11.90	1.77	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353840

Deuteranopia (green-blind)

#333640

Tritanopia (blue-blind)

#2C3A3B

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #303840;
/* rgb */ color: rgb(48, 56, 64);
/* oklch */ color: oklch(33.6% 0.018 248.3);

Tailwind

colors: {
  custom: {
    50: '#686e74',
    500: '#303840',
    950: '#000000',
  },
}

SCSS

$custom: #303840;
$custom-light: #686e74;
$custom-dark: #000000;

JSON

{
  "hex": "#303840",
  "rgb": {
    "r": 48,
    "g": 56,
    "b": 64
  },
  "hsl": {
    "h": 210,
    "s": 14.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.33647,
    "c": 0.01781,
    "h": 248.3
  },
  "luminance": 0.03827
}

Semantic roles & 50–950 ramp

primary

#303840

secondary

#70665C

accent

#9471B7

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #303840

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

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