#284D4E#284D4E

#284D4E is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.3% C 0.043 H 197.8°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#284D4E
RGB	rgb(40, 77, 78)
HSL	hsl(182, 32%, 23%)
HSV	hsv(182, 49%, 31%)
CMYK	cmyk(48.7%, 1.3%, 0%, 69.4%)
CIE-LAB	lab(30.18, -12.91, -4.72)
CIE-LCH	lch(30.18, 13.74, 200.10°)
OKLab	oklab(39.32% -0.0405 -0.013)
OKLCH	oklch(39.32% 0.043 197.8)
XYZ	xyz(4.9036, 6.3085, 8.1655)
Luminance	0.0631 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284D4E #4E2928

analogous

#284E3C #284D4E #283A4E

triadic

#284D4E #4E284D #4D4E28

tetradic

#284D4E #3C284E #4E2928 #3A4E28

square

#284D4E #3C284E #4E2928 #3A4E28

split-complementary

#284D4E #4E283A #4E3C28

monochromatic

#0A1414 #132526 #284D4E #3D7576 #519D9F

Accessibility & contrast

On white

9.28

#284D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#284D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284D4E

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284D4E	#FFFFFF	#000000	##FFFFFF
##284D4E	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494A4E

Deuteranopia (green-blind)

#42454E

Tritanopia (blue-blind)

#154F4D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #284d4e;
/* rgb */ color: rgb(40, 77, 78);
/* oklch */ color: oklch(39.3% 0.043 197.8);

Tailwind

colors: {
  custom: {
    50: '#657f7f',
    500: '#284d4e',
    950: '#000000',
  },
}

SCSS

$custom: #284d4e;
$custom-light: #657f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#284d4e",
  "rgb": {
    "r": 40,
    "g": 77,
    "b": 78
  },
  "hsl": {
    "h": 181.579,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39322,
    "c": 0.0425,
    "h": 197.8
  },
  "luminance": 0.06309
}

Semantic roles & 50–950 ramp

primary

#284D4E

secondary

#815251

accent

#625FC8

background

#F6F7F7

surface

#EBEEEE

border

#C6C9C9

text

#060A0A

muted

#7A7C7C

Preview Lab

Preview with #284D4E

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

Preview Lab → · Contrast checker → · Palette generator →