#304D70#304D70

#304D70 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.4% C 0.069 H 253.9°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#304D70
RGB	rgb(48, 77, 112)
HSL	hsl(213, 40%, 31%)
HSV	hsv(213, 57%, 44%)
CMYK	cmyk(57.1%, 31.2%, 0%, 56.1%)
CIE-LAB	lab(32.05, 0.44, -23.44)
CIE-LCH	lch(32.05, 23.45, 271.07°)
OKLab	oklab(41.4% -0.019 -0.0659)
OKLCH	oklch(41.4% 0.069 253.9)
XYZ	xyz(6.7964, 7.1054, 16.3394)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#304D70 #705330

analogous

#306D70 #304D70 #333070

triadic

#304D70 #70304D #4D7030

tetradic

#304D70 #70306D #705330 #307033

square

#304D70 #70306D #705330 #307033

split-complementary

#304D70 #703330 #6D7030

monochromatic

#0B121A #1E3045 #304D70 #426A9B #6089BB

Accessibility & contrast

On white

8.67

#304D70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#304D70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #304D70

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##304D70	#FFFFFF	#000000	##FFFFFF
##304D70	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F72

Deuteranopia (green-blind)

#37496F

Tritanopia (blue-blind)

#085559

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #304d70;
/* rgb */ color: rgb(48, 77, 112);
/* oklch */ color: oklch(41.4% 0.069 253.9);

Tailwind

colors: {
  custom: {
    50: '#6d7e99',
    500: '#304d70',
    950: '#000000',
  },
}

SCSS

$custom: #304d70;
$custom-light: #6d7e99;
$custom-dark: #000000;

JSON

{
  "hex": "#304d70",
  "rgb": {
    "r": 48,
    "g": 77,
    "b": 112
  },
  "hsl": {
    "h": 212.813,
    "s": 40,
    "l": 31.373
  },
  "oklch": {
    "l": 0.41396,
    "c": 0.06861,
    "h": 253.9
  },
  "luminance": 0.07106
}

Semantic roles & 50–950 ramp

primary

#304D70

secondary

#A1815B

accent

#9A58D0

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #304D70

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

Preview Lab → · Contrast checker → · Palette generator →