#304151#304151

#304151 is a dark, muted cyan. Relative luminance 0.050; OKLCH L 36.8% C 0.035 H 247.3°. Best body text is #FFFFFF at 10.50:1 contrast (WCAG AA passes).

Color values

HEX	#304151
RGB	rgb(48, 65, 81)
HSL	hsl(209, 26%, 25%)
HSV	hsv(209, 41%, 32%)
CMYK	cmyk(40.7%, 19.8%, 0%, 68.2%)
CIE-LAB	lab(26.74, -2.10, -11.80)
CIE-LCH	lch(26.74, 11.99, 259.89°)
OKLab	oklab(36.75% -0.0136 -0.0326)
OKLCH	oklch(36.75% 0.035 247.3)
XYZ	xyz(4.5939, 5.0028, 8.5066)
Luminance	0.0500 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304151 #514030

analogous

#305150 #304151 #303051

triadic

#304151 #513041 #415130

tetradic

#304151 #503051 #514030 #305130

square

#304151 #503051 #514030 #305130

split-complementary

#304151 #513030 #515030

monochromatic

#0B0F13 #19222B #304151 #476077 #5E7F9E

Accessibility & contrast

On white

10.50

#304151 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#304151 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304151

10.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304151	#FFFFFF	#000000	##FFFFFF
##304151	1.00	10.50	2.00	10.50
#FFFFFF	10.50	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4152

Deuteranopia (green-blind)

#373E51

Tritanopia (blue-blind)

#254546

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #304151;
/* rgb */ color: rgb(48, 65, 81);
/* oklch */ color: oklch(36.8% 0.035 247.3);

Tailwind

colors: {
  custom: {
    50: '#6a7581',
    500: '#304151',
    950: '#000000',
  },
}

SCSS

$custom: #304151;
$custom-light: #6a7581;
$custom-dark: #000000;

JSON

{
  "hex": "#304151",
  "rgb": {
    "r": 48,
    "g": 65,
    "b": 81
  },
  "hsl": {
    "h": 209.091,
    "s": 25.581,
    "l": 25.294
  },
  "oklch": {
    "l": 0.36752,
    "c": 0.03533,
    "h": 247.3
  },
  "luminance": 0.05003
}

Semantic roles & 50–950 ramp

primary

#304151

secondary

#826E5B

accent

#9366C2

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #304151

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

Preview Lab → · Contrast checker → · Palette generator →