#0B4A40#0B4A40

#0B4A40 is a dark, moderate teal. Relative luminance 0.053; OKLCH L 36.9% C 0.063 H 179.1°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#0B4A40
RGB	rgb(11, 74, 64)
HSL	hsl(170, 74%, 17%)
HSV	hsv(170, 85%, 29%)
CMYK	cmyk(85.1%, 0%, 13.5%, 71%)
CIE-LAB	lab(27.68, -21.74, 0.51)
CIE-LCH	lch(27.68, 21.74, 178.65°)
OKLab	oklab(36.87% -0.0626 0.001)
OKLCH	oklch(36.87% 0.063 179.1)
XYZ	xyz(3.5117, 5.3384, 5.6948)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B4A40 #4A0B15

analogous

#0B4A21 #0B4A40 #0B354A

triadic

#0B4A40 #400B4A #4A400B

tetradic

#0B4A40 #210B4A #4A0B15 #354A0B

square

#0B4A40 #210B4A #4A0B15 #354A0B

split-complementary

#0B4A40 #4A0B35 #4A210B

monochromatic

#041B17 #041B17 #0B4A40 #137F6E #1BB59C

Accessibility & contrast

On white

10.16

#0B4A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#0B4A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B4A40

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B4A40	#FFFFFF	#000000	##FFFFFF
##0B4A40	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464540

Deuteranopia (green-blind)

#3E3F41

Tritanopia (blue-blind)

#004B47

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #0b4a40;
/* rgb */ color: rgb(11, 74, 64);
/* oklch */ color: oklch(36.9% 0.063 179.1);

Tailwind

colors: {
  custom: {
    50: '#577d74',
    500: '#0b4a40',
    950: '#000000',
  },
}

SCSS

$custom: #0b4a40;
$custom-light: #577d74;
$custom-dark: #000000;

JSON

{
  "hex": "#0b4a40",
  "rgb": {
    "r": 11,
    "g": 74,
    "b": 64
  },
  "hsl": {
    "h": 170.476,
    "s": 74.118,
    "l": 16.667
  },
  "oklch": {
    "l": 0.36868,
    "c": 0.06258,
    "h": 179.1
  },
  "luminance": 0.05339
}

Semantic roles & 50–950 ramp

primary

#0B4A40

secondary

#862B39

accent

#3755F1

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040908

muted

#797B7B

Preview Lab

Preview with #0B4A40

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

Preview Lab → · Contrast checker → · Palette generator →