#284F79#284F79

#284F79 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.0% C 0.083 H 251.9°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#284F79
RGB	rgb(40, 79, 121)
HSL	hsl(211, 50%, 32%)
HSV	hsv(211, 67%, 47%)
CMYK	cmyk(66.9%, 34.7%, 0%, 52.5%)
CIE-LAB	lab(32.75, 0.65, -27.99)
CIE-LCH	lch(32.75, 28.00, 271.33°)
OKLab	oklab(41.99% -0.0258 -0.0792)
OKLCH	oklch(41.99% 0.083 251.9)
XYZ	xyz(7.1210, 7.4229, 19.1429)
Luminance	0.0742 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284F79 #795228

analogous

#287879 #284F79 #292879

triadic

#284F79 #79284F #4F7928

tetradic

#284F79 #792878 #795228 #287929

square

#284F79 #792878 #795228 #287929

split-complementary

#284F79 #792928 #787928

monochromatic

#0A131D #19314B #284F79 #376DA7 #558CC7

Accessibility & contrast

On white

8.45

#284F79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#284F79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284F79

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284F79	#FFFFFF	#000000	##FFFFFF
##284F79	1.00	8.45	2.48	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D517B

Deuteranopia (green-blind)

#324A78

Tritanopia (blue-blind)

#00595E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #284f79;
/* rgb */ color: rgb(40, 79, 121);
/* oklch */ color: oklch(42.0% 0.083 251.9);

Tailwind

colors: {
  custom: {
    50: '#6b80a0',
    500: '#284f79',
    950: '#000000',
  },
}

SCSS

$custom: #284f79;
$custom-light: #6b80a0;
$custom-dark: #000000;

JSON

{
  "hex": "#284f79",
  "rgb": {
    "r": 40,
    "g": 79,
    "b": 121
  },
  "hsl": {
    "h": 211.111,
    "s": 50.311,
    "l": 31.569
  },
  "oklch": {
    "l": 0.41994,
    "c": 0.08333,
    "h": 251.9
  },
  "luminance": 0.07424
}

Semantic roles & 50–950 ramp

primary

#284F79

secondary

#AB8052

accent

#964EDA

background

#F6F7F9

surface

#ECEEF2

border

#C7C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #284F79

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

Preview Lab → · Contrast checker → · Palette generator →