#0D403B#0D403B

#0D403B is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.7% C 0.053 H 185.4°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#0D403B
RGB	rgb(13, 64, 59)
HSL	hsl(174, 66%, 15%)
HSV	hsv(174, 80%, 25%)
CMYK	cmyk(79.7%, 0%, 7.8%, 74.9%)
CIE-LAB	lab(23.89, -17.75, -1.75)
CIE-LCH	lch(23.89, 17.84, 185.62°)
OKLab	oklab(33.74% -0.0525 -0.005)
OKLCH	oklch(33.74% 0.053 185.4)
XYZ	xyz(2.7884, 4.0678, 4.7750)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D403B #400D12

analogous

#0D4022 #0D403B #0D2B40

triadic

#0D403B #3B0D40 #403B0D

tetradic

#0D403B #220D40 #400D12 #2B400D

square

#0D403B #220D40 #400D12 #2B400D

split-complementary

#0D403B #400D2B #40220D

monochromatic

#051917 #051917 #0D403B #17736A #22A699

Accessibility & contrast

On white

11.58

#0D403B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0D403B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D403B

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D403B	#FFFFFF	#000000	##FFFFFF
##0D403B	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3B

Deuteranopia (green-blind)

#35373C

Tritanopia (blue-blind)

#00423E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0d403b;
/* rgb */ color: rgb(13, 64, 59);
/* oklch */ color: oklch(33.7% 0.053 185.4);

Tailwind

colors: {
  custom: {
    50: '#557570',
    500: '#0d403b',
    950: '#000000',
  },
}

SCSS

$custom: #0d403b;
$custom-light: #557570;
$custom-dark: #000000;

JSON

{
  "hex": "#0d403b",
  "rgb": {
    "r": 13,
    "g": 64,
    "b": 59
  },
  "hsl": {
    "h": 174.118,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33741,
    "c": 0.05277,
    "h": 185.4
  },
  "luminance": 0.04068
}

Semantic roles & 50–950 ramp

primary

#0D403B

secondary

#7C2D35

accent

#3F4FE9

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0D403B

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

Preview Lab → · Contrast checker → · Palette generator →