#021830#021830

#021830 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.7% C 0.056 H 251.7°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX	#021830
RGB	rgb(2, 24, 48)
HSL	hsl(211, 92%, 10%)
HSV	hsv(211, 96%, 19%)
CMYK	cmyk(95.8%, 50%, 0%, 81.2%)
CIE-LAB	lab(7.94, 1.98, -18.57)
CIE-LCH	lch(7.94, 18.68, 276.09°)
OKLab	oklab(20.67% -0.0176 -0.0532)
OKLCH	oklch(20.67% 0.056 251.7)
XYZ	xyz(0.8850, 0.8795, 2.9188)
Luminance	0.0088 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021830 #301A02

analogous

#022F30 #021830 #030230

triadic

#021830 #300218 #183002

tetradic

#021830 #30022F #301A02 #023003

square

#021830 #30022F #301A02 #023003

split-complementary

#021830 #300302 #2F3002

monochromatic

#010F1D #010F1D #021830 #04356B #0753A6

Accessibility & contrast

On white

17.86

#021830 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#021830 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021830

17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021830	#FFFFFF	#000000	##FFFFFF
##021830	1.00	17.86	1.18	17.86
#FFFFFF	17.86	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C1A31

Deuteranopia (green-blind)

#041530

Tritanopia (blue-blind)

#001E21

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #021830;
/* rgb */ color: rgb(2, 24, 48);
/* oklch */ color: oklch(20.7% 0.056 251.7);

Tailwind

colors: {
  custom: {
    50: '#4a5468',
    500: '#021830',
    950: '#000000',
  },
}

SCSS

$custom: #021830;
$custom-light: #4a5468;
$custom-dark: #000000;

JSON

{
  "hex": "#021830",
  "rgb": {
    "r": 2,
    "g": 24,
    "b": 48
  },
  "hsl": {
    "h": 211.304,
    "s": 92,
    "l": 9.804
  },
  "oklch": {
    "l": 0.20669,
    "c": 0.05603,
    "h": 251.7
  },
  "luminance": 0.0088
}

Semantic roles & 50–950 ramp

primary

#021830

secondary

#754919

accent

#9929FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010206

muted

#77787A

Preview Lab

Preview with #021830

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

Preview Lab → · Contrast checker → · Palette generator →