#284C65#284C65

#284C65 is a dark, muted cyan. Relative luminance 0.066; OKLCH L 40.1% C 0.059 H 240.7°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#284C65
RGB	rgb(40, 76, 101)
HSL	hsl(205, 43%, 28%)
HSV	hsv(205, 60%, 40%)
CMYK	cmyk(60.4%, 24.8%, 0%, 60.4%)
CIE-LAB	lab(30.78, -4.71, -18.50)
CIE-LCH	lch(30.78, 19.09, 255.72°)
OKLab	oklab(40.11% -0.029 -0.0518)
OKLCH	oklch(40.11% 0.059 240.7)
XYZ	xyz(5.8076, 6.5591, 13.2694)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C65 #654128

analogous

#28655F #284C65 #282E65

triadic

#284C65 #65284C #4C6528

tetradic

#284C65 #5F2865 #654128 #2E6528

square

#284C65 #5F2865 #654128 #2E6528

split-complementary

#284C65 #65282E #655F28

monochromatic

#091016 #172B39 #284C65 #396D91 #4E8DB9

Accessibility & contrast

On white

9.08

#284C65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#284C65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C65

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C65	#FFFFFF	#000000	##FFFFFF
##284C65	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#414C66

Deuteranopia (green-blind)

#394665

Tritanopia (blue-blind)

#005254

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #284c65;
/* rgb */ color: rgb(40, 76, 101);
/* oklch */ color: oklch(40.1% 0.059 240.7);

Tailwind

colors: {
  custom: {
    50: '#687e91',
    500: '#284c65',
    950: '#000000',
  },
}

SCSS

$custom: #284c65;
$custom-light: #687e91;
$custom-dark: #000000;

JSON

{
  "hex": "#284c65",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 101
  },
  "hsl": {
    "h": 204.59,
    "s": 43.262,
    "l": 27.647
  },
  "oklch": {
    "l": 0.40113,
    "c": 0.05935,
    "h": 240.7
  },
  "luminance": 0.0656
}

Semantic roles & 50–950 ramp

primary

#284C65

secondary

#986E51

accent

#8955D3

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#06090C

muted

#7A7B7D

Preview Lab

Preview with #284C65

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

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