#284858#284858

#284858 is a dark, muted cyan. Relative luminance 0.058; OKLCH L 38.4% C 0.047 H 231.5°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#284858
RGB	rgb(40, 72, 88)
HSL	hsl(200, 38%, 25%)
HSV	hsv(200, 55%, 35%)
CMYK	cmyk(54.5%, 18.2%, 0%, 65.5%)
CIE-LAB	lab(28.88, -6.67, -13.12)
CIE-LCH	lch(28.88, 14.72, 243.05°)
OKLab	oklab(38.41% -0.029 -0.0364)
OKLCH	oklch(38.41% 0.047 231.5)
XYZ	xyz(4.9532, 5.7900, 10.0872)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284858 #583828

analogous

#285850 #284858 #283058

triadic

#284858 #582848 #485828

tetradic

#284858 #502858 #583828 #305828

square

#284858 #502858 #583828 #305828

split-complementary

#284858 #582830 #585028

monochromatic

#0A1115 #15262E #284858 #3B6A82 #4E8DAC

Accessibility & contrast

On white

9.73

#284858 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#284858 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284858

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284858	#FFFFFF	#000000	##FFFFFF
##284858	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#404759

Deuteranopia (green-blind)

#394258

Tritanopia (blue-blind)

#0E4C4D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #284858;
/* rgb */ color: rgb(40, 72, 88);
/* oklch */ color: oklch(38.4% 0.047 231.5);

Tailwind

colors: {
  custom: {
    50: '#667b87',
    500: '#284858',
    950: '#000000',
  },
}

SCSS

$custom: #284858;
$custom-light: #667b87;
$custom-dark: #000000;

JSON

{
  "hex": "#284858",
  "rgb": {
    "r": 40,
    "g": 72,
    "b": 88
  },
  "hsl": {
    "h": 200,
    "s": 37.5,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3841,
    "c": 0.04658,
    "h": 231.5
  },
  "luminance": 0.0579
}

Semantic roles & 50–950 ramp

primary

#284858

secondary

#8B6451

accent

#815ACD

background

#F6F7F8

surface

#EBEDEF

border

#C6C8CA

text

#06090B

muted

#7A7B7C

Preview Lab

Preview with #284858

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

Preview Lab → · Contrast checker → · Palette generator →