#304F5F#304F5F

#304F5F is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.0% C 0.045 H 231.9°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#304F5F
RGB	rgb(48, 79, 95)
HSL	hsl(200, 33%, 28%)
HSV	hsv(200, 49%, 37%)
CMYK	cmyk(49.5%, 16.8%, 0%, 62.7%)
CIE-LAB	lab(31.91, -6.55, -12.92)
CIE-LCH	lch(31.91, 14.49, 243.11°)
OKLab	oklab(41.03% -0.0281 -0.0358)
OKLCH	oklch(41.03% 0.045 231.9)
XYZ	xyz(6.0797, 7.0461, 11.8639)
Luminance	0.0705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F5F #5F4030

analogous

#305F57 #304F5F #30375F

triadic

#304F5F #5F304F #4F5F30

tetradic

#304F5F #57305F #5F4030 #375F30

square

#304F5F #57305F #5F4030 #375F30

split-complementary

#304F5F #5F3037 #5F5730

monochromatic

#0A1114 #1B2D36 #304F5F #457188 #5D92AD

Accessibility & contrast

On white

8.72

#304F5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#304F5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F5F

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F5F	#FFFFFF	#000000	##FFFFFF
##304F5F	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474E60

Deuteranopia (green-blind)

#40495F

Tritanopia (blue-blind)

#1B5354

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304f5f;
/* rgb */ color: rgb(48, 79, 95);
/* oklch */ color: oklch(41.0% 0.045 231.9);

Tailwind

colors: {
  custom: {
    50: '#6b808c',
    500: '#304f5f',
    950: '#000000',
  },
}

SCSS

$custom: #304f5f;
$custom-light: #6b808c;
$custom-dark: #000000;

JSON

{
  "hex": "#304f5f",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 95
  },
  "hsl": {
    "h": 200.426,
    "s": 32.867,
    "l": 28.039
  },
  "oklch": {
    "l": 0.41034,
    "c": 0.04546,
    "h": 231.9
  },
  "luminance": 0.07047
}

Semantic roles & 50–950 ramp

primary

#304F5F

secondary

#906D5A

accent

#835FC9

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#070A0C

muted

#7A7C7D

Preview Lab

Preview with #304F5F

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

Preview Lab → · Contrast checker → · Palette generator →