#284B73#284B73

#284B73 is a dark, moderate cyan. Relative luminance 0.067; OKLCH L 40.6% C 0.079 H 253.1°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#284B73
RGB	rgb(40, 75, 115)
HSL	hsl(212, 48%, 30%)
HSV	hsv(212, 65%, 45%)
CMYK	cmyk(65.2%, 34.8%, 0%, 54.9%)
CIE-LAB	lab(31.16, 1.02, -26.74)
CIE-LCH	lch(31.16, 26.76, 272.19°)
OKLab	oklab(40.64% -0.023 -0.0756)
OKLCH	oklch(40.64% 0.079 253.1)
XYZ	xyz(6.4845, 6.7205, 17.1718)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B73 #735028

analogous

#287073 #284B73 #2A2873

triadic

#284B73 #73284B #4B7328

tetradic

#284B73 #732870 #735028 #28732A

square

#284B73 #732870 #735028 #28732A

split-complementary

#284B73 #732A28 #707328

monochromatic

#081018 #182D46 #284B73 #3869A0 #5287C3

Accessibility & contrast

On white

8.96

#284B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#284B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B73

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B73	#FFFFFF	#000000	##FFFFFF
##284B73	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4D75

Deuteranopia (green-blind)

#304672

Tritanopia (blue-blind)

#005459

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #284b73;
/* rgb */ color: rgb(40, 75, 115);
/* oklch */ color: oklch(40.6% 0.079 253.1);

Tailwind

colors: {
  custom: {
    50: '#6a7d9b',
    500: '#284b73',
    950: '#000000',
  },
}

SCSS

$custom: #284b73;
$custom-light: #6a7d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#284b73",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 115
  },
  "hsl": {
    "h": 212,
    "s": 48.387,
    "l": 30.392
  },
  "oklch": {
    "l": 0.40644,
    "c": 0.07906,
    "h": 253.1
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary

#284B73

secondary

#A57E52

accent

#9850D8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#07090E

muted

#7A7B7E

Preview Lab

Preview with #284B73

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

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