#05403B#05403B

#05403B is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.056 H 185.9°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#05403B
RGB	rgb(5, 64, 59)
HSL	hsl(175, 86%, 14%)
HSV	hsv(175, 92%, 25%)
CMYK	cmyk(92.2%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(23.72, -18.93, -2.02)
CIE-LCH	lch(23.72, 19.03, 186.10°)
OKLab	oklab(33.55% -0.0561 -0.0058)
OKLCH	oklch(33.55% 0.056 185.9)
XYZ	xyz(2.6850, 4.0145, 4.7702)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#05403B #40050A

analogous

#05401D #05403B #052740

triadic

#05403B #3B0540 #403B05

tetradic

#05403B #1D0540 #40050A #274005

square

#05403B #1D0540 #40050A #274005

split-complementary

#05403B #400527 #401D05

monochromatic

#021C1A #021C1A #05403B #09796F #0EB2A4

Accessibility & contrast

On white

11.65

#05403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#05403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #05403B

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##05403B	#FFFFFF	#000000	##FFFFFF
##05403B	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3B

Deuteranopia (green-blind)

#34363C

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #05403b;
/* rgb */ color: rgb(5, 64, 59);
/* oklch */ color: oklch(33.5% 0.056 185.9);

Tailwind

colors: {
  custom: {
    50: '#537570',
    500: '#05403b',
    950: '#000000',
  },
}

SCSS

$custom: #05403b;
$custom-light: #537570;
$custom-dark: #000000;

JSON

{
  "hex": "#05403b",
  "rgb": {
    "r": 5,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 174.915,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.33547,
    "c": 0.05636,
    "h": 185.9
  },
  "luminance": 0.04015
}

Semantic roles & 50–950 ramp

primary

#05403B

secondary

#812028

accent

#2C3EFC

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #05403B

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

Preview Lab → · Contrast checker → · Palette generator →