#284F71#284F71

#284F71 is a dark, moderate cyan. Relative luminance 0.072; OKLCH L 41.5% C 0.072 H 246.9°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#284F71
RGB	rgb(40, 79, 113)
HSL	hsl(208, 48%, 30%)
HSV	hsv(208, 65%, 44%)
CMYK	cmyk(64.6%, 30.1%, 0%, 55.7%)
CIE-LAB	lab(32.34, -2.31, -23.65)
CIE-LCH	lch(32.34, 23.76, 264.43°)
OKLab	oklab(41.53% -0.0284 -0.0666)
OKLCH	oklch(41.53% 0.072 246.9)
XYZ	xyz(6.6506, 7.2347, 16.6655)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F71 #714A28

analogous

#28716E #284F71 #282B71

triadic

#284F71 #71284F #4F7128

tetradic

#284F71 #6E2871 #714A28 #2B7128

square

#284F71 #6E2871 #714A28 #2B7128

split-complementary

#284F71 #71282B #716E28

monochromatic

#081017 #182F44 #284F71 #386F9E #528EC2

Accessibility & contrast

On white

8.58

#284F71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#284F71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F71

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F71	#FFFFFF	#000000	##FFFFFF
##284F71	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#405073

Deuteranopia (green-blind)

#364970

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #284f71;
/* rgb */ color: rgb(40, 79, 113);
/* oklch */ color: oklch(41.5% 0.072 246.9);

Tailwind

colors: {
  custom: {
    50: '#69809a',
    500: '#284f71',
    950: '#000000',
  },
}

SCSS

$custom: #284f71;
$custom-light: #69809a;
$custom-dark: #000000;

JSON

{
  "hex": "#284f71",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 113
  },
  "hsl": {
    "h": 207.945,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.41531,
    "c": 0.07241,
    "h": 246.9
  },
  "luminance": 0.07235
}

Semantic roles & 50–950 ramp

primary

#284F71

secondary

#A37852

accent

#8F50D7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #284F71

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

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