#284B4E#284B4E

#284B4E is a dark, muted teal. Relative luminance 0.060; OKLCH L 38.8% C 0.041 H 202.7°. Best body text is #FFFFFF at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#284B4E
RGB	rgb(40, 75, 78)
HSL	hsl(185, 32%, 23%)
HSV	hsv(185, 49%, 31%)
CMYK	cmyk(48.7%, 3.8%, 0%, 69.4%)
CIE-LAB	lab(29.50, -11.73, -5.74)
CIE-LCH	lch(29.50, 13.06, 206.09°)
OKLab	oklab(38.77% -0.0377 -0.0158)
OKLCH	oklch(38.77% 0.041 202.7)
XYZ	xyz(4.7658, 6.0330, 8.1196)
Luminance	0.0603 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284B4E #4E2B28

analogous

#284E3E #284B4E #28384E

triadic

#284B4E #4E284B #4B4E28

tetradic

#284B4E #3E284E #4E2B28 #384E28

square

#284B4E #3E284E #4E2B28 #384E28

split-complementary

#284B4E #4E2838 #4E3E28

monochromatic

#0A1314 #132426 #284B4E #3D7276 #51999F

Accessibility & contrast

On white

9.52

#284B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#284B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284B4E

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284B4E	#FFFFFF	#000000	##FFFFFF
##284B4E	1.00	9.52	2.21	9.52
#FFFFFF	9.52	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46484E

Deuteranopia (green-blind)

#40434E

Tritanopia (blue-blind)

#154D4C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284b4e;
/* rgb */ color: rgb(40, 75, 78);
/* oklch */ color: oklch(38.8% 0.041 202.7);

Tailwind

colors: {
  custom: {
    50: '#657d7f',
    500: '#284b4e',
    950: '#000000',
  },
}

SCSS

$custom: #284b4e;
$custom-light: #657d7f;
$custom-dark: #000000;

JSON

{
  "hex": "#284b4e",
  "rgb": {
    "r": 40,
    "g": 75,
    "b": 78
  },
  "hsl": {
    "h": 184.737,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38774,
    "c": 0.04088,
    "h": 202.7
  },
  "luminance": 0.06033
}

Semantic roles & 50–950 ramp

primary

#284B4E

secondary

#815551

accent

#685FC8

background

#F6F7F7

surface

#EBEEEE

border

#C6C9C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #284B4E

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

Preview Lab → · Contrast checker → · Palette generator →