#284C4E#284C4E

#284C4E is a dark, muted teal. Relative luminance 0.062; OKLCH L 39.0% C 0.042 H 200.2°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#284C4E
RGB	rgb(40, 76, 78)
HSL	hsl(183, 32%, 23%)
HSV	hsv(183, 49%, 31%)
CMYK	cmyk(48.7%, 2.6%, 0%, 69.4%)
CIE-LAB	lab(29.84, -12.32, -5.23)
CIE-LCH	lch(29.84, 13.38, 203.01°)
OKLab	oklab(39.05% -0.0391 -0.0144)
OKLCH	oklch(39.05% 0.042 200.2)
XYZ	xyz(4.8341, 6.1697, 8.1424)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284C4E #4E2A28

analogous

#284E3D #284C4E #28394E

triadic

#284C4E #4E284C #4C4E28

tetradic

#284C4E #3D284E #4E2A28 #394E28

square

#284C4E #3D284E #4E2A28 #394E28

split-complementary

#284C4E #4E2839 #4E3D28

monochromatic

#0A1414 #132526 #284C4E #3D7376 #519B9F

Accessibility & contrast

On white

9.40

#284C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#284C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284C4E

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284C4E	#FFFFFF	#000000	##FFFFFF
##284C4E	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47494E

Deuteranopia (green-blind)

#41444E

Tritanopia (blue-blind)

#154E4C

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #284c4e;
/* rgb */ color: rgb(40, 76, 78);
/* oklch */ color: oklch(39.0% 0.042 200.2);

Tailwind

colors: {
  custom: {
    50: '#657e7f',
    500: '#284c4e',
    950: '#000000',
  },
}

SCSS

$custom: #284c4e;
$custom-light: #657e7f;
$custom-dark: #000000;

JSON

{
  "hex": "#284c4e",
  "rgb": {
    "r": 40,
    "g": 76,
    "b": 78
  },
  "hsl": {
    "h": 183.158,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39048,
    "c": 0.04165,
    "h": 200.2
  },
  "luminance": 0.0617
}

Semantic roles & 50–950 ramp

primary

#284C4E

secondary

#815451

accent

#655FC8

background

#F6F7F7

surface

#EBEEEE

border

#C6C9C9

text

#060A0A

muted

#7A7C7C

Preview Lab

Preview with #284C4E

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

Preview Lab → · Contrast checker → · Palette generator →