#284053#284053

#284053 is a dark, muted cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.045 H 243.3°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#284053
RGB	rgb(40, 64, 83)
HSL	hsl(207, 35%, 24%)
HSV	hsv(207, 52%, 33%)
CMYK	cmyk(51.8%, 22.9%, 0%, 67.5%)
CIE-LAB	lab(25.99, -3.24, -14.32)
CIE-LCH	lch(25.99, 14.68, 257.24°)
OKLab	oklab(36.05% -0.02 -0.0398)
OKLCH	oklch(36.05% 0.045 243.3)
XYZ	xyz(4.2693, 4.7421, 8.8723)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284053 #533B28

analogous

#285351 #284053 #282B53

triadic

#284053 #532840 #405328

tetradic

#284053 #512853 #533B28 #2B5328

square

#284053 #512853 #533B28 #2B5328

split-complementary

#284053 #53282B #535128

monochromatic

#0A1015 #14202A #284053 #3C607C #5080A6

Accessibility & contrast

On white

10.78

#284053 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#284053 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284053

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284053	#FFFFFF	#000000	##FFFFFF
##284053	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#384054

Deuteranopia (green-blind)

#323C53

Tritanopia (blue-blind)

#144546

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #284053;
/* rgb */ color: rgb(40, 64, 83);
/* oklch */ color: oklch(36.0% 0.045 243.3);

Tailwind

colors: {
  custom: {
    50: '#657483',
    500: '#284053',
    950: '#000000',
  },
}

SCSS

$custom: #284053;
$custom-light: #657483;
$custom-dark: #000000;

JSON

{
  "hex": "#284053",
  "rgb": {
    "r": 40,
    "g": 64,
    "b": 83
  },
  "hsl": {
    "h": 206.512,
    "s": 34.959,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36049,
    "c": 0.04456,
    "h": 243.3
  },
  "luminance": 0.04742
}

Semantic roles & 50–950 ramp

primary

#284053

secondary

#866851

accent

#8D5DCB

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06080A

muted

#7A7B7C

Preview Lab

Preview with #284053

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

Preview Lab → · Contrast checker → · Palette generator →