#304150#304150

#304150 is a dark, muted cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.034 H 245.5°. Best body text is #FFFFFF at 10.51:1 contrast (WCAG AA passes).

Color values

HEX	#304150
RGB	rgb(48, 65, 80)
HSL	hsl(208, 25%, 25%)
HSV	hsv(208, 40%, 31%)
CMYK	cmyk(40%, 18.8%, 0%, 68.6%)
CIE-LAB	lab(26.70, -2.41, -11.22)
CIE-LCH	lch(26.70, 11.47, 257.85°)
OKLab	oklab(36.71% -0.0141 -0.0309)
OKLCH	oklch(36.71% 0.034 245.5)
XYZ	xyz(4.5567, 4.9879, 8.3105)
Luminance	0.0499 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304150 #503F30

analogous

#30504F #304150 #303150

triadic

#304150 #503041 #415030

tetradic

#304150 #4F3050 #503F30 #315030

square

#304150 #4F3050 #503F30 #315030

split-complementary

#304150 #503031 #504F30

monochromatic

#0B1013 #19222A #304150 #476076 #5E7F9C

Accessibility & contrast

On white

10.51

#304150 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#304150 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304150

10.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304150	#FFFFFF	#000000	##FFFFFF
##304150	1.00	10.51	2.00	10.51
#FFFFFF	10.51	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4151

Deuteranopia (green-blind)

#373E50

Tritanopia (blue-blind)

#254546

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #304150;
/* rgb */ color: rgb(48, 65, 80);
/* oklch */ color: oklch(36.7% 0.034 245.5);

Tailwind

colors: {
  custom: {
    50: '#697581',
    500: '#304150',
    950: '#000000',
  },
}

SCSS

$custom: #304150;
$custom-light: #697581;
$custom-dark: #000000;

JSON

{
  "hex": "#304150",
  "rgb": {
    "r": 48,
    "g": 65,
    "b": 80
  },
  "hsl": {
    "h": 208.125,
    "s": 25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36705,
    "c": 0.03397,
    "h": 245.5
  },
  "luminance": 0.04988
}

Semantic roles & 50–950 ramp

primary

#304150

secondary

#816D5B

accent

#9166C1

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #304150

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

Preview Lab → · Contrast checker → · Palette generator →