#303040#303040

#303040 is a dark, muted blue. Relative luminance 0.031; OKLCH L 31.6% C 0.028 H 284.7°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#303040
RGB	rgb(48, 48, 64)
HSL	hsl(240, 14%, 22%)
HSV	hsv(240, 25%, 25%)
CMYK	cmyk(25%, 25%, 0%, 74.9%)
CIE-LAB	lab(20.49, 4.19, -10.03)
CIE-LCH	lch(20.49, 10.87, 292.68°)
OKLab	oklab(31.61% 0.0072 -0.0275)
OKLCH	oklch(31.61% 0.028 284.7)
XYZ	xyz(3.2011, 3.1124, 5.2816)
Luminance	0.0311 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303040 #404030

analogous

#303840 #303040 #383040

triadic

#303040 #403030 #304030

tetradic

#303040 #403038 #404030 #304038

square

#303040 #403038 #404030 #304038

split-complementary

#303040 #403830 #384030

monochromatic

#0D0D11 #16161D #303040 #4A4A63 #646486

Accessibility & contrast

On white

12.94

#303040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#303040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303040

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303040	#FFFFFF	#000000	##FFFFFF
##303040	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3241

Deuteranopia (green-blind)

#2B3140

Tritanopia (blue-blind)

#2C3335

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #303040;
/* rgb */ color: rgb(48, 48, 64);
/* oklch */ color: oklch(31.6% 0.028 284.7);

Tailwind

colors: {
  custom: {
    50: '#686874',
    500: '#303040',
    950: '#000000',
  },
}

SCSS

$custom: #303040;
$custom-light: #686874;
$custom-dark: #000000;

JSON

{
  "hex": "#303040",
  "rgb": {
    "r": 48,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 240,
    "s": 14.286,
    "l": 21.961
  },
  "oklch": {
    "l": 0.31612,
    "c": 0.02841,
    "h": 284.7
  },
  "luminance": 0.03112
}

Semantic roles & 50–950 ramp

primary

#303040

secondary

#70705C

accent

#B771B7

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #303040

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

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