#284A4E#284A4E

#284A4E is a dark, muted teal. Relative luminance 0.059; OKLCH L 38.5% C 0.040 H 205.3°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#284A4E
RGB	rgb(40, 74, 78)
HSL	hsl(186, 32%, 23%)
HSV	hsv(186, 49%, 31%)
CMYK	cmyk(48.7%, 5.1%, 0%, 69.4%)
CIE-LAB	lab(29.15, -11.13, -6.25)
CIE-LCH	lch(29.15, 12.76, 209.33°)
OKLab	oklab(38.5% -0.0363 -0.0172)
OKLCH	oklch(38.5% 0.04 205.3)
XYZ	xyz(4.6985, 5.8984, 8.0972)
Luminance	0.0590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#284A4E #4E2C28

analogous

#284E3F #284A4E #28374E

triadic

#284A4E #4E284A #4A4E28

tetradic

#284A4E #3F284E #4E2C28 #374E28

square

#284A4E #3F284E #4E2C28 #374E28

split-complementary

#284A4E #4E2837 #4E3F28

monochromatic

#0A1314 #132426 #284A4E #3D7076 #51979F

Accessibility & contrast

On white

9.63

#284A4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#284A4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #284A4E

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##284A4E	#FFFFFF	#000000	##FFFFFF
##284A4E	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45474E

Deuteranopia (green-blind)

#3F434E

Tritanopia (blue-blind)

#164D4B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #284a4e;
/* rgb */ color: rgb(40, 74, 78);
/* oklch */ color: oklch(38.5% 0.040 205.3);

Tailwind

colors: {
  custom: {
    50: '#657c7f',
    500: '#284a4e',
    950: '#000000',
  },
}

SCSS

$custom: #284a4e;
$custom-light: #657c7f;
$custom-dark: #000000;

JSON

{
  "hex": "#284a4e",
  "rgb": {
    "r": 40,
    "g": 74,
    "b": 78
  },
  "hsl": {
    "h": 186.316,
    "s": 32.203,
    "l": 23.137
  },
  "oklch": {
    "l": 0.38501,
    "c": 0.04018,
    "h": 205.3
  },
  "luminance": 0.05899
}

Semantic roles & 50–950 ramp

primary

#284A4E

secondary

#815651

accent

#6A5FC8

background

#F6F7F7

surface

#EBEEEE

border

#C6C9C9

text

#06090A

muted

#7A7B7C

Preview Lab

Preview with #284A4E

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

Preview Lab → · Contrast checker → · Palette generator →