#304751#304751

#304751 is a dark, muted cyan. Relative luminance 0.057; OKLCH L 38.3% C 0.033 H 226.8°. Best body text is #FFFFFF at 9.79:1 contrast (WCAG AA passes).

Color values

HEX	#304751
RGB	rgb(48, 71, 81)
HSL	hsl(198, 26%, 25%)
HSV	hsv(198, 41%, 32%)
CMYK	cmyk(40.7%, 12.3%, 0%, 68.2%)
CIE-LAB	lab(28.72, -5.94, -8.80)
CIE-LCH	lch(28.72, 10.62, 236.00°)
OKLab	oklab(38.31% -0.0227 -0.0242)
OKLCH	oklch(38.31% 0.033 226.8)
XYZ	xyz(4.9569, 5.7286, 8.6275)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304751 #513A30

analogous

#30514A #304751 #303651

triadic

#304751 #513047 #475130

tetradic

#304751 #4A3051 #513A30 #365130

square

#304751 #4A3051 #513A30 #365130

split-complementary

#304751 #513036 #514A30

monochromatic

#0B1113 #19252B #304751 #476977 #5E8A9E

Accessibility & contrast

On white

9.79

#304751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#304751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304751

9.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304751	#FFFFFF	#000000	##FFFFFF
##304751	1.00	9.79	2.15	9.79
#FFFFFF	9.79	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424652

Deuteranopia (green-blind)

#3D4251

Tritanopia (blue-blind)

#244A4A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #304751;
/* rgb */ color: rgb(48, 71, 81);
/* oklch */ color: oklch(38.3% 0.033 226.8);

Tailwind

colors: {
  custom: {
    50: '#6a7a81',
    500: '#304751',
    950: '#000000',
  },
}

SCSS

$custom: #304751;
$custom-light: #6a7a81;
$custom-dark: #000000;

JSON

{
  "hex": "#304751",
  "rgb": {
    "r": 48,
    "g": 71,
    "b": 81
  },
  "hsl": {
    "h": 198.182,
    "s": 25.581,
    "l": 25.294
  },
  "oklch": {
    "l": 0.38313,
    "c": 0.03316,
    "h": 226.8
  },
  "luminance": 0.05729
}

Semantic roles & 50–950 ramp

primary

#304751

secondary

#82675B

accent

#8266C2

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #304751

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

Preview Lab → · Contrast checker → · Palette generator →