#284F77#284F77

#284F77 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 41.9% C 0.081 H 250.8°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#284F77
RGB	rgb(40, 79, 119)
HSL	hsl(210, 50%, 31%)
HSV	hsv(210, 66%, 47%)
CMYK	cmyk(66.4%, 33.6%, 0%, 53.3%)
CIE-LAB	lab(32.64, -0.09, -26.91)
CIE-LCH	lch(32.64, 26.91, 269.80°)
OKLab	oklab(41.88% -0.0264 -0.0761)
OKLCH	oklch(41.88% 0.081 250.8)
XYZ	xyz(6.9996, 7.3743, 18.5037)
Luminance	0.0737 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F77 #775028

analogous

#287677 #284F77 #282877

triadic

#284F77 #77284F #4F7728

tetradic

#284F77 #772876 #775028 #287728

square

#284F77 #772876 #775028 #287728

split-complementary

#284F77 #772828 #767728

monochromatic

#09121B #193149 #284F77 #376DA5 #548CC5

Accessibility & contrast

On white

8.48

#284F77 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#284F77 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F77

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F77	#FFFFFF	#000000	##FFFFFF
##284F77	1.00	8.48	2.47	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E5179

Deuteranopia (green-blind)

#334976

Tritanopia (blue-blind)

#00585D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284f77;
/* rgb */ color: rgb(40, 79, 119);
/* oklch */ color: oklch(41.9% 0.081 250.8);

Tailwind

colors: {
  custom: {
    50: '#6b809e',
    500: '#284f77',
    950: '#000000',
  },
}

SCSS

$custom: #284f77;
$custom-light: #6b809e;
$custom-dark: #000000;

JSON

{
  "hex": "#284f77",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 119
  },
  "hsl": {
    "h": 210.38,
    "s": 49.686,
    "l": 31.176
  },
  "oklch": {
    "l": 0.41876,
    "c": 0.08055,
    "h": 250.8
  },
  "luminance": 0.07375
}

Semantic roles & 50–950 ramp

primary

#284F77

secondary

#A97E52

accent

#954FD9

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #284F77

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

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