#023740#023740

#023740 is a dark, muted teal. Relative luminance 0.031; OKLCH L 31.0% C 0.053 H 212.7°. Best body text is #FFFFFF at 12.94:1 contrast (WCAG AA passes).

Color values

HEX	#023740
RGB	rgb(2, 55, 64)
HSL	hsl(189, 94%, 13%)
HSV	hsv(189, 97%, 25%)
CMYK	cmyk(96.9%, 14.1%, 0%, 74.9%)
CIE-LAB	lab(20.50, -12.36, -10.23)
CIE-LCH	lch(20.50, 16.04, 219.60°)
OKLab	oklab(30.98% -0.0445 -0.0286)
OKLCH	oklch(30.98% 0.053 212.7)
XYZ	xyz(2.3162, 3.1151, 5.3287)
Luminance	0.0312 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#023740 #400B02

analogous

#02402A #023740 #021840

triadic

#023740 #400237 #374002

tetradic

#023740 #2A0240 #400B02 #184002

square

#023740 #2A0240 #400B02 #184002

split-complementary

#023740 #400218 #402A02

monochromatic

#01191E #01191E #023740 #046A7B #069DB7

Accessibility & contrast

On white

12.94

#023740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#023740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #023740

12.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##023740	#FFFFFF	#000000	##FFFFFF
##023740	1.00	12.94	1.62	12.94
#FFFFFF	12.94	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303541

Deuteranopia (green-blind)

#282F40

Tritanopia (blue-blind)

#003B3A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #023740;
/* rgb */ color: rgb(2, 55, 64);
/* oklch */ color: oklch(31.0% 0.053 212.7);

Tailwind

colors: {
  custom: {
    50: '#516e74',
    500: '#023740',
    950: '#000000',
  },
}

SCSS

$custom: #023740;
$custom-light: #516e74;
$custom-dark: #000000;

JSON

{
  "hex": "#023740",
  "rgb": {
    "r": 2,
    "g": 55,
    "b": 64
  },
  "hsl": {
    "h": 188.71,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.30976,
    "c": 0.05293,
    "h": 212.7
  },
  "luminance": 0.03115
}

Semantic roles & 50–950 ramp

primary

#023740

secondary

#832A1B

accent

#4829FF

background

#F4F6F7

surface

#E7EBED

border

#C3C6C8

text

#020708

muted

#787A7B

Preview Lab

Preview with #023740

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

Preview Lab → · Contrast checker → · Palette generator →