#284E71#284E71

#284E71 is a dark, moderate cyan. Relative luminance 0.071; OKLCH L 41.3% C 0.073 H 248.2°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#284E71
RGB	rgb(40, 78, 113)
HSL	hsl(209, 48%, 30%)
HSV	hsv(209, 65%, 44%)
CMYK	cmyk(64.6%, 31%, 0%, 55.7%)
CIE-LAB	lab(32.01, -1.66, -24.15)
CIE-LCH	lch(32.01, 24.21, 266.06°)
OKLab	oklab(41.28% -0.0272 -0.0681)
OKLCH	oklch(41.28% 0.073 248.2)
XYZ	xyz(6.5790, 7.0915, 16.6417)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284E71 #714B28

analogous

#28716F #284E71 #282A71

triadic

#284E71 #71284E #4E7128

tetradic

#284E71 #6F2871 #714B28 #2A7128

square

#284E71 #6F2871 #714B28 #2A7128

split-complementary

#284E71 #71282A #716F28

monochromatic

#081017 #182F44 #284E71 #386D9E #528CC2

Accessibility & contrast

On white

8.68

#284E71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#284E71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284E71

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284E71	#FFFFFF	#000000	##FFFFFF
##284E71	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F4F73

Deuteranopia (green-blind)

#354870

Tritanopia (blue-blind)

#00565A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #284e71;
/* rgb */ color: rgb(40, 78, 113);
/* oklch */ color: oklch(41.3% 0.073 248.2);

Tailwind

colors: {
  custom: {
    50: '#697f9a',
    500: '#284e71',
    950: '#000000',
  },
}

SCSS

$custom: #284e71;
$custom-light: #697f9a;
$custom-dark: #000000;

JSON

{
  "hex": "#284e71",
  "rgb": {
    "r": 40,
    "g": 78,
    "b": 113
  },
  "hsl": {
    "h": 208.767,
    "s": 47.712,
    "l": 30
  },
  "oklch": {
    "l": 0.41279,
    "c": 0.0733,
    "h": 248.2
  },
  "luminance": 0.07092
}

Semantic roles & 50–950 ramp

primary

#284E71

secondary

#A37952

accent

#9150D7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#070A0E

muted

#7A7C7E

Preview Lab

Preview with #284E71

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

Preview Lab → · Contrast checker → · Palette generator →