#021539#021539

#021539 is a very dark, moderate blue. Relative luminance 0.008; OKLCH L 20.7% C 0.075 H 260.0°. Best body text is #FFFFFF at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#021539
RGB	rgb(2, 21, 57)
HSL	hsl(219, 93%, 12%)
HSV	hsv(219, 96%, 22%)
CMYK	cmyk(96.5%, 63.2%, 0%, 77.6%)
CIE-LAB	lab(7.63, 8.85, -25.63)
CIE-LCH	lch(7.63, 27.11, 289.05°)
OKLab	oklab(20.66% -0.0131 -0.0741)
OKLCH	oklch(20.66% 0.075 260)
XYZ	xyz(1.0314, 0.8445, 3.9787)
Luminance	0.0084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021539 #392602

analogous

#023139 #021539 #0B0239

triadic

#021539 #390215 #153902

tetradic

#021539 #390231 #392602 #02390B

square

#021539 #390231 #392602 #02390B

split-complementary

#021539 #390B02 #313902

monochromatic

#010B1E #010B1E #021539 #042B74 #0641AF

Accessibility & contrast

On white

17.96

#021539 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#021539 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021539

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021539	#FFFFFF	#000000	##FFFFFF
##021539	1.00	17.96	1.17	17.96
#FFFFFF	17.96	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A3A

Deuteranopia (green-blind)

#001438

Tritanopia (blue-blind)

#001E24

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #021539;
/* rgb */ color: rgb(2, 21, 57);
/* oklch */ color: oklch(20.7% 0.075 260.0);

Tailwind

colors: {
  custom: {
    50: '#4d5170',
    500: '#021539',
    950: '#000000',
  },
}

SCSS

$custom: #021539;
$custom-light: #4d5170;
$custom-dark: #000000;

JSON

{
  "hex": "#021539",
  "rgb": {
    "r": 2,
    "g": 21,
    "b": 57
  },
  "hsl": {
    "h": 219.273,
    "s": 93.22,
    "l": 11.569
  },
  "oklch": {
    "l": 0.20662,
    "c": 0.07522,
    "h": 260
  },
  "luminance": 0.00845
}

Semantic roles & 50–950 ramp

primary

#021539

secondary

#7D5B1A

accent

#B529FF

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #021539

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

Preview Lab → · Contrast checker → · Palette generator →