#021730#021730

#021730 is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.4% C 0.057 H 253.2°. Best body text is #FFFFFF at 17.98:1 contrast (WCAG AA passes).

Color values

HEX	#021730
RGB	rgb(2, 23, 48)
HSL	hsl(213, 92%, 10%)
HSV	hsv(213, 96%, 19%)
CMYK	cmyk(95.8%, 52.1%, 0%, 81.2%)
CIE-LAB	lab(7.58, 2.75, -19.16)
CIE-LCH	lch(7.58, 19.35, 278.16°)
OKLab	oklab(20.38% -0.0166 -0.055)
OKLCH	oklch(20.38% 0.057 253.2)
XYZ	xyz(0.8647, 0.8390, 2.9121)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021730 #301B02

analogous

#022E30 #021730 #040230

triadic

#021730 #300217 #173002

tetradic

#021730 #30022E #301B02 #023004

square

#021730 #30022E #301B02 #023004

split-complementary

#021730 #300402 #2E3002

monochromatic

#010E1D #010E1D #021730 #04336B #074FA6

Accessibility & contrast

On white

17.98

#021730 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#021730 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021730

17.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021730	#FFFFFF	#000000	##FFFFFF
##021730	1.00	17.98	1.17	17.98
#FFFFFF	17.98	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A1931

Deuteranopia (green-blind)

#031530

Tritanopia (blue-blind)

#001D21

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #021730;
/* rgb */ color: rgb(2, 23, 48);
/* oklch */ color: oklch(20.4% 0.057 253.2);

Tailwind

colors: {
  custom: {
    50: '#4a5368',
    500: '#021730',
    950: '#000000',
  },
}

SCSS

$custom: #021730;
$custom-light: #4a5368;
$custom-dark: #000000;

JSON

{
  "hex": "#021730",
  "rgb": {
    "r": 2,
    "g": 23,
    "b": 48
  },
  "hsl": {
    "h": 212.609,
    "s": 92,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20378,
    "c": 0.05743,
    "h": 253.2
  },
  "luminance": 0.00839
}

Semantic roles & 50–950 ramp

primary

#021730

secondary

#754B19

accent

#9D29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #021730

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

Preview Lab → · Contrast checker → · Palette generator →