#303E4A#303E4A

#303E4A is a dark, muted cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.028 H 244.6°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#303E4A
RGB	rgb(48, 62, 74)
HSL	hsl(208, 21%, 24%)
HSV	hsv(208, 35%, 29%)
CMYK	cmyk(35.1%, 16.2%, 0%, 71%)
CIE-LAB	lab(25.47, -2.29, -9.15)
CIE-LCH	lch(25.47, 9.43, 255.98°)
OKLab	oklab(35.65% -0.0119 -0.0251)
OKLCH	oklch(35.65% 0.028 244.6)
XYZ	xyz(4.1772, 4.5679, 7.1388)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#303E4A #4A3C30

analogous

#304A49 #303E4A #30314A

triadic

#303E4A #4A303E #3E4A30

tetradic

#303E4A #49304A #4A3C30 #314A30

square

#303E4A #49304A #4A3C30 #314A30

split-complementary

#303E4A #4A3031 #4A4930

monochromatic

#0C1013 #181F25 #303E4A #485D6F #607C94

Accessibility & contrast

On white

10.97

#303E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#303E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #303E4A

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##303E4A	#FFFFFF	#000000	##FFFFFF
##303E4A	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393E4B

Deuteranopia (green-blind)

#363B4A

Tritanopia (blue-blind)

#284142

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #303e4a;
/* rgb */ color: rgb(48, 62, 74);
/* oklch */ color: oklch(35.6% 0.028 244.6);

Tailwind

colors: {
  custom: {
    50: '#69737c',
    500: '#303e4a',
    950: '#000000',
  },
}

SCSS

$custom: #303e4a;
$custom-light: #69737c;
$custom-dark: #000000;

JSON

{
  "hex": "#303e4a",
  "rgb": {
    "r": 48,
    "g": 62,
    "b": 74
  },
  "hsl": {
    "h": 207.692,
    "s": 21.311,
    "l": 23.922
  },
  "oklch": {
    "l": 0.3565,
    "c": 0.02782,
    "h": 244.6
  },
  "luminance": 0.04568
}

Semantic roles & 50–950 ramp

primary

#303E4A

secondary

#7B6A5B

accent

#916ABE

background

#F6F6F7

surface

#EBECEE

border

#C6C7C9

text

#060809

muted

#7A7B7B

Preview Lab

Preview with #303E4A

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

Preview Lab → · Contrast checker → · Palette generator →