#304F79#304F79

#304F79 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.080 H 256.4°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#304F79
RGB	rgb(48, 79, 121)
HSL	hsl(215, 43%, 33%)
HSV	hsv(215, 60%, 47%)
CMYK	cmyk(60.3%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(33.14, 2.33, -27.36)
CIE-LCH	lch(33.14, 27.46, 274.87°)
OKLab	oklab(42.4% -0.0187 -0.0773)
OKLCH	oklch(42.4% 0.08 256.4)
XYZ	xyz(7.4649, 7.6002, 19.1591)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304F79 #795A30

analogous

#307379 #304F79 #363079

triadic

#304F79 #79304F #4F7930

tetradic

#304F79 #793073 #795A30 #307936

square

#304F79 #793073 #795A30 #307936

split-complementary

#304F79 #793630 #737930

monochromatic

#0D1621 #1F324D #304F79 #416CA5 #628BC1

Accessibility & contrast

On white

8.33

#304F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#304F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304F79

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304F79	#FFFFFF	#000000	##FFFFFF
##304F79	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E527B

Deuteranopia (green-blind)

#344B78

Tritanopia (blue-blind)

#00585E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #304f79;
/* rgb */ color: rgb(48, 79, 121);
/* oklch */ color: oklch(42.4% 0.080 256.4);

Tailwind

colors: {
  custom: {
    50: '#6f80a0',
    500: '#304f79',
    950: '#000000',
  },
}

SCSS

$custom: #304f79;
$custom-light: #6f80a0;
$custom-dark: #000000;

JSON

{
  "hex": "#304f79",
  "rgb": {
    "r": 48,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 214.521,
    "s": 43.195,
    "l": 33.137
  },
  "oklch": {
    "l": 0.42401,
    "c": 0.0795,
    "h": 256.4
  },
  "luminance": 0.07601
}

Semantic roles & 50–950 ramp

primary

#304F79

secondary

#A8885D

accent

#9D55D3

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#080A0E

muted

#7B7C7E

Preview Lab

Preview with #304F79

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

Preview Lab → · Contrast checker → · Palette generator →