#0B403D#0B403D

#0B403D is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.8% C 0.053 H 189.3°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#0B403D
RGB	rgb(11, 64, 61)
HSL	hsl(177, 71%, 15%)
HSV	hsv(177, 83%, 25%)
CMYK	cmyk(82.8%, 0%, 4.7%, 74.9%)
CIE-LAB	lab(23.92, -17.39, -3.05)
CIE-LCH	lch(23.92, 17.65, 189.94°)
OKLab	oklab(33.77% -0.0524 -0.0085)
OKLCH	oklch(33.77% 0.053 189.3)
XYZ	xyz(2.8133, 4.0745, 5.0522)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B403D #400B0E

analogous

#0B4023 #0B403D #0B2940

triadic

#0B403D #3D0B40 #403D0B

tetradic

#0B403D #230B40 #400B0E #29400B

square

#0B403D #230B40 #400B0E #29400B

split-complementary

#0B403D #400B29 #40230B

monochromatic

#041A19 #041A19 #0B403D #14746F #1DA8A1

Accessibility & contrast

On white

11.57

#0B403D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#0B403D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B403D

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B403D	#FFFFFF	#000000	##FFFFFF
##0B403D	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3D

Deuteranopia (green-blind)

#34373D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0b403d;
/* rgb */ color: rgb(11, 64, 61);
/* oklch */ color: oklch(33.8% 0.053 189.3);

Tailwind

colors: {
  custom: {
    50: '#557572',
    500: '#0b403d',
    950: '#000000',
  },
}

SCSS

$custom: #0b403d;
$custom-light: #557572;
$custom-dark: #000000;

JSON

{
  "hex": "#0b403d",
  "rgb": {
    "r": 11,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 176.604,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33768,
    "c": 0.05307,
    "h": 189.3
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#0B403D

secondary

#7D2A2F

accent

#3A44ED

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #0B403D

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

Preview Lab → · Contrast checker → · Palette generator →