#304F70#304F70

#304F70 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.067 H 251.1°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#304F70
RGB	rgb(48, 79, 112)
HSL	hsl(211, 40%, 31%)
HSV	hsv(211, 57%, 44%)
CMYK	cmyk(57.1%, 29.5%, 0%, 56.1%)
CIE-LAB	lab(32.68, -0.85, -22.46)
CIE-LCH	lch(32.68, 22.47, 267.83°)
OKLab	oklab(41.89% -0.0216 -0.063)
OKLCH	oklch(41.89% 0.067 251.1)
XYZ	xyz(6.9385, 7.3896, 16.3868)
Luminance	0.0739 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F70 #705130

analogous

#306F70 #304F70 #313070

triadic

#304F70 #70304F #4F7030

tetradic

#304F70 #70306F #705130 #307031

square

#304F70 #70306F #705130 #307031

split-complementary

#304F70 #703130 #6F7030

monochromatic

#0B131A #1E3145 #304F70 #426D9B #608CBB

Accessibility & contrast

On white

8.47

#304F70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#304F70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F70

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F70	#FFFFFF	#000000	##FFFFFF
##304F70	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#415071

Deuteranopia (green-blind)

#394A6F

Tritanopia (blue-blind)

#07575B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #304f70;
/* rgb */ color: rgb(48, 79, 112);
/* oklch */ color: oklch(41.9% 0.067 251.1);

Tailwind

colors: {
  custom: {
    50: '#6d8099',
    500: '#304f70',
    950: '#000000',
  },
}

SCSS

$custom: #304f70;
$custom-light: #6d8099;
$custom-dark: #000000;

JSON

{
  "hex": "#304f70",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 112
  },
  "hsl": {
    "h": 210.938,
    "s": 40,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41892,
    "c": 0.06664,
    "h": 251.1
  },
  "luminance": 0.0739
}

Semantic roles & 50–950 ramp

primary

#304F70

secondary

#A17F5B

accent

#9658D0

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #304F70

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

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