#021740#021740

#021740 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.9% C 0.083 H 260.6°. Best body text is #FFFFFF at 17.51:1 contrast (WCAG AA passes).

Color values

HEX	#021740
RGB	rgb(2, 23, 64)
HSL	hsl(220, 94%, 13%)
HSV	hsv(220, 97%, 25%)
CMYK	cmyk(96.9%, 64.1%, 0%, 74.9%)
CIE-LAB	lab(8.96, 10.66, -28.48)
CIE-LCH	lch(8.96, 30.41, 290.52°)
OKLab	oklab(21.88% -0.0137 -0.0824)
OKLCH	oklch(21.88% 0.083 260.6)
XYZ	xyz(1.2565, 0.9957, 4.9755)
Luminance	0.0100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021740 #402B02

analogous

#023640 #021740 #0C0240

triadic

#021740 #400217 #174002

tetradic

#021740 #400236 #402B02 #02400C

square

#021740 #400236 #402B02 #02400C

split-complementary

#021740 #400C02 #364002

monochromatic

#010B1E #010B1E #021740 #042C7B #0642B7

Accessibility & contrast

On white

17.51

#021740 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#021740 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021740

17.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021740	#FFFFFF	#000000	##FFFFFF
##021740	1.00	17.51	1.20	17.51
#FFFFFF	17.51	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C41

Deuteranopia (green-blind)

#00173F

Tritanopia (blue-blind)

#002128

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #021740;
/* rgb */ color: rgb(2, 23, 64);
/* oklch */ color: oklch(21.9% 0.083 260.6);

Tailwind

colors: {
  custom: {
    50: '#505375',
    500: '#021740',
    950: '#000000',
  },
}

SCSS

$custom: #021740;
$custom-light: #505375;
$custom-dark: #000000;

JSON

{
  "hex": "#021740",
  "rgb": {
    "r": 2,
    "g": 23,
    "b": 64
  },
  "hsl": {
    "h": 219.677,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.2188,
    "c": 0.08348,
    "h": 260.6
  },
  "luminance": 0.00996
}

Semantic roles & 50–950 ramp

primary

#021740

secondary

#83601B

accent

#B629FF

background

#F4F4F7

surface

#E7E7ED

border

#C3C3C8

text

#020208

muted

#78787B

Preview Lab

Preview with #021740

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

Preview Lab → · Contrast checker → · Palette generator →