#284A56#284A56

#284A56 is a dark, muted cyan. Relative luminance 0.060; OKLCH L 38.9% C 0.044 H 222.9°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#284A56
RGB	rgb(40, 74, 86)
HSL	hsl(196, 37%, 25%)
HSV	hsv(196, 53%, 34%)
CMYK	cmyk(53.5%, 14%, 0%, 66.3%)
CIE-LAB	lab(29.46, -8.58, -10.94)
CIE-LCH	lch(29.46, 13.90, 231.90°)
OKLab	oklab(38.85% -0.0326 -0.0303)
OKLCH	oklch(38.85% 0.044 222.9)
XYZ	xyz(5.0029, 6.0202, 9.7007)
Luminance	0.0602 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A56 #563428

analogous

#28564B #284A56 #283356

triadic

#284A56 #56284A #4A5628

tetradic

#284A56 #4B2856 #563428 #335628

square

#284A56 #4B2856 #563428 #335628

split-complementary

#284A56 #562833 #564B28

monochromatic

#0A1215 #15262C #284A56 #3B6E80 #4F92AA

Accessibility & contrast

On white

9.53

#284A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#284A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A56

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A56	#FFFFFF	#000000	##FFFFFF
##284A56	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434857

Deuteranopia (green-blind)

#3C4356

Tritanopia (blue-blind)

#0F4E4E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284a56;
/* rgb */ color: rgb(40, 74, 86);
/* oklch */ color: oklch(38.9% 0.044 222.9);

Tailwind

colors: {
  custom: {
    50: '#667c85',
    500: '#284a56',
    950: '#000000',
  },
}

SCSS

$custom: #284a56;
$custom-light: #667c85;
$custom-dark: #000000;

JSON

{
  "hex": "#284a56",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 86
  },
  "hsl": {
    "h": 195.652,
    "s": 36.508,
    "l": 24.706
  },
  "oklch": {
    "l": 0.3885,
    "c": 0.04449,
    "h": 222.9
  },
  "luminance": 0.06021
}

Semantic roles & 50–950 ramp

primary

#284A56

secondary

#896051

accent

#795BCD

background

#F6F7F8

surface

#EBEEEF

border

#C6C9CA

text

#06090B

muted

#7A7B7C

Preview Lab

Preview with #284A56

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

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