#021B40#021B40

#021B40 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 22.9% C 0.078 H 257.7°. Best body text is #FFFFFF at 17.03:1 contrast (WCAG AA passes).

Color values

HEX	#021B40
RGB	rgb(2, 27, 64)
HSL	hsl(216, 94%, 13%)
HSV	hsv(216, 97%, 25%)
CMYK	cmyk(96.9%, 57.8%, 0%, 74.9%)
CIE-LAB	lab(10.31, 7.44, -26.28)
CIE-LCH	lch(10.31, 27.31, 285.81°)
OKLab	oklab(22.91% -0.0166 -0.0758)
OKLCH	oklch(22.91% 0.078 257.7)
XYZ	xyz(1.3420, 1.1668, 5.0040)
Luminance	0.0117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#021B40 #402702

analogous

#023A40 #021B40 #080240

triadic

#021B40 #40021B #1B4002

tetradic

#021B40 #40023A #402702 #024008

square

#021B40 #40023A #402702 #024008

split-complementary

#021B40 #400802 #3A4002

monochromatic

#010D1E #010D1E #021B40 #04347B #064DB7

Accessibility & contrast

On white

17.03

#021B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#021B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #021B40

17.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##021B40	#FFFFFF	#000000	##FFFFFF
##021B40	1.00	17.03	1.23	17.03
#FFFFFF	17.03	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#041F41

Deuteranopia (green-blind)

#00193F

Tritanopia (blue-blind)

#00242A

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #021b40;
/* rgb */ color: rgb(2, 27, 64);
/* oklch */ color: oklch(22.9% 0.078 257.7);

Tailwind

colors: {
  custom: {
    50: '#4f5675',
    500: '#021b40',
    950: '#000000',
  },
}

SCSS

$custom: #021b40;
$custom-light: #4f5675;
$custom-dark: #000000;

JSON

{
  "hex": "#021b40",
  "rgb": {
    "r": 2,
    "g": 27,
    "b": 64
  },
  "hsl": {
    "h": 215.806,
    "s": 93.939,
    "l": 12.941
  },
  "oklch": {
    "l": 0.22912,
    "c": 0.07757,
    "h": 257.7
  },
  "luminance": 0.01167
}

Semantic roles & 50–950 ramp

primary

#021B40

secondary

#83591B

accent

#A929FF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020308

muted

#78787B

Preview Lab

Preview with #021B40

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

Preview Lab → · Contrast checker → · Palette generator →