#0B403C#0B403C

#0B403C is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.7% C 0.053 H 187.4°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#0B403C
RGB	rgb(11, 64, 60)
HSL	hsl(175, 71%, 15%)
HSV	hsv(175, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 6.2%, 74.9%)
CIE-LAB	lab(23.88, -17.73, -2.43)
CIE-LCH	lch(23.88, 17.89, 187.82°)
OKLab	oklab(33.73% -0.0529 -0.0069)
OKLCH	oklch(33.73% 0.053 187.4)
XYZ	xyz(2.7866, 4.0638, 4.9116)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B403C #400B0F

analogous

#0B4022 #0B403C #0B2A40

triadic

#0B403C #3C0B40 #403C0B

tetradic

#0B403C #220B40 #400B0F #2A400B

square

#0B403C #220B40 #400B0F #2A400B

split-complementary

#0B403C #400B2A #40220B

monochromatic

#041A18 #041A18 #0B403C #14746D #1DA89E

Accessibility & contrast

On white

11.58

#0B403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0B403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B403C

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B403C	#FFFFFF	#000000	##FFFFFF
##0B403C	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)

#3C3C3C

Deuteranopia (green-blind)

#35373D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b403c;
/* rgb */ color: rgb(11, 64, 60);
/* oklch */ color: oklch(33.7% 0.053 187.4);

Tailwind

colors: {
  custom: {
    50: '#557571',
    500: '#0b403c',
    950: '#000000',
  },
}

SCSS

$custom: #0b403c;
$custom-light: #557571;
$custom-dark: #000000;

JSON

{
  "hex": "#0b403c",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 175.472,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33728,
    "c": 0.05338,
    "h": 187.4
  },
  "luminance": 0.04064
}

Semantic roles & 50–950 ramp

primary

#0B403C

secondary

#7D2A30

accent

#3A48ED

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0B403C

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

Preview Lab → · Contrast checker → · Palette generator →