#304550#304550

#304550 is a dark, muted cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.032 H 231.5°. Best body text is #FFFFFF at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#304550
RGB	rgb(48, 69, 80)
HSL	hsl(201, 25%, 25%)
HSV	hsv(201, 40%, 31%)
CMYK	cmyk(40%, 13.8%, 0%, 68.6%)
CIE-LAB	lab(28.02, -4.98, -9.22)
CIE-LCH	lch(28.02, 10.48, 241.61°)
OKLab	oklab(37.74% -0.0201 -0.0253)
OKLCH	oklch(37.74% 0.032 231.5)
XYZ	xyz(4.7945, 5.4635, 8.3898)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304550 #503B30

analogous

#30504B #304550 #303550

triadic

#304550 #503045 #455030

tetradic

#304550 #4B3050 #503B30 #355030

square

#304550 #4B3050 #503B30 #355030

split-complementary

#304550 #503035 #504B30

monochromatic

#0B1013 #19242A #304550 #476676 #5E879C

Accessibility & contrast

On white

10.03

#304550 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#304550 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304550

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304550	#FFFFFF	#000000	##FFFFFF
##304550	1.00	10.03	2.09	10.03
#FFFFFF	10.03	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404451

Deuteranopia (green-blind)

#3B4150

Tritanopia (blue-blind)

#254848

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #304550;
/* rgb */ color: rgb(48, 69, 80);
/* oklch */ color: oklch(37.7% 0.032 231.5);

Tailwind

colors: {
  custom: {
    50: '#6a7881',
    500: '#304550',
    950: '#000000',
  },
}

SCSS

$custom: #304550;
$custom-light: #6a7881;
$custom-dark: #000000;

JSON

{
  "hex": "#304550",
  "rgb": {
    "r": 48,
    "g": 69,
    "b": 80
  },
  "hsl": {
    "h": 200.625,
    "s": 25,
    "l": 25.098
  },
  "oklch": {
    "l": 0.37744,
    "c": 0.03235,
    "h": 231.5
  },
  "luminance": 0.05464
}

Semantic roles & 50–950 ramp

primary

#304550

secondary

#81685B

accent

#8666C1

background

#F6F7F7

surface

#EBEDEE

border

#C6C8C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #304550

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

Preview Lab → · Contrast checker → · Palette generator →