#042123#042123

#042123 is a very dark, muted teal. Relative luminance 0.012; OKLCH L 22.7% C 0.034 H 201.5°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#042123
RGB	rgb(4, 33, 35)
HSL	hsl(184, 79%, 8%)
HSV	hsv(184, 89%, 14%)
CMYK	cmyk(88.6%, 5.7%, 0%, 86.3%)
CIE-LAB	lab(10.81, -9.90, -4.54)
CIE-LCH	lch(10.81, 10.89, 204.64°)
OKLab	oklab(22.74% -0.032 -0.0126)
OKLCH	oklch(22.74% 0.034 201.5)
XYZ	xyz(0.8972, 1.2348, 1.7808)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#042123 #230604

analogous

#042315 #042123 #041123

triadic

#042123 #230421 #212304

tetradic

#042123 #150423 #230604 #112304

square

#042123 #150423 #230604 #112304

split-complementary

#042123 #230411 #231504

monochromatic

#031A1B #031A1B #042123 #0A555A #118991

Accessibility & contrast

On white

16.84

#042123 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#042123 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #042123

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##042123	#FFFFFF	#000000	##FFFFFF
##042123	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1F23

Deuteranopia (green-blind)

#191C23

Tritanopia (blue-blind)

#002322

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #042123;
/* rgb */ color: rgb(4, 33, 35);
/* oklch */ color: oklch(22.7% 0.034 201.5);

Tailwind

colors: {
  custom: {
    50: '#495c5d',
    500: '#042123',
    950: '#000000',
  },
}

SCSS

$custom: #042123;
$custom-light: #495c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#042123",
  "rgb": {
    "r": 4,
    "g": 33,
    "b": 35
  },
  "hsl": {
    "h": 183.871,
    "s": 79.487,
    "l": 7.647
  },
  "oklch": {
    "l": 0.22737,
    "c": 0.03441,
    "h": 201.5
  },
  "luminance": 0.01235
}

Semantic roles & 50–950 ramp

primary

#042123

secondary

#66221D

accent

#3F32F6

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010404

muted

#777979

Preview Lab

Preview with #042123

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

Preview Lab → · Contrast checker → · Palette generator →