#023739#023739

#023739 is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.6% C 0.051 H 198.9°. Best body text is #FFFFFF at 13.06:1 contrast (WCAG AA passes).

Color values

HEX	#023739
RGB	rgb(2, 55, 57)
HSL	hsl(182, 93%, 12%)
HSV	hsv(182, 96%, 22%)
CMYK	cmyk(96.5%, 3.5%, 0%, 77.6%)
CIE-LAB	lab(20.20, -15.10, -5.92)
CIE-LCH	lch(20.20, 16.22, 201.41°)
OKLab	oklab(30.64% -0.0482 -0.0165)
OKLCH	oklch(30.64% 0.051 198.9)
XYZ	xyz(2.1294, 3.0404, 4.3447)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#023739 #390402

analogous

#023920 #023739 #021C39

triadic

#023739 #390237 #373902

tetradic

#023739 #200239 #390402 #1C3902

square

#023739 #200239 #390402 #1C3902

split-complementary

#023739 #39021C #392002

monochromatic

#011D1E #011D1E #023739 #047074 #06A9AF

Accessibility & contrast

On white

13.06

#023739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#023739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #023739

13.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##023739	#FFFFFF	#000000	##FFFFFF
##023739	1.00	13.06	1.61	13.06
#FFFFFF	13.06	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323439

Deuteranopia (green-blind)

#2B2E39

Tritanopia (blue-blind)

#003937

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #023739;
/* rgb */ color: rgb(2, 55, 57);
/* oklch */ color: oklch(30.6% 0.051 198.9);

Tailwind

colors: {
  custom: {
    50: '#506e6f',
    500: '#023739',
    950: '#000000',
  },
}

SCSS

$custom: #023739;
$custom-light: #506e6f;
$custom-dark: #000000;

JSON

{
  "hex": "#023739",
  "rgb": {
    "r": 2,
    "g": 55,
    "b": 57
  },
  "hsl": {
    "h": 182.182,
    "s": 93.22,
    "l": 11.569
  },
  "oklch": {
    "l": 0.3064,
    "c": 0.05092,
    "h": 198.9
  },
  "luminance": 0.03041
}

Semantic roles & 50–950 ramp

primary

#023739

secondary

#7D1E1A

accent

#3129FF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#020707

muted

#787A7A

Preview Lab

Preview with #023739

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

Preview Lab → · Contrast checker → · Palette generator →