#211D5A#211D5A

#211D5A is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.8% C 0.106 H 279.9°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#211D5A
RGB	rgb(33, 29, 90)
HSL	hsl(244, 51%, 23%)
HSV	hsv(244, 68%, 35%)
CMYK	cmyk(63.3%, 67.8%, 0%, 64.7%)
CIE-LAB	lab(15.17, 22.09, -36.17)
CIE-LCH	lch(15.17, 42.38, 301.42°)
OKLab	oklab(27.79% 0.0182 -0.104)
OKLCH	oklch(27.79% 0.106 279.9)
XYZ	xyz(2.9114, 1.9400, 9.8919)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D5A #565A1D

analogous

#1D375A #211D5A #3F1D5A

triadic

#211D5A #5A211D #1D5A21

tetradic

#211D5A #5A1D37 #565A1D #1D5A3F

square

#211D5A #5A1D37 #565A1D #1D5A3F

split-complementary

#211D5A #5A3F1D #375A1D

monochromatic

#080717 #100E2C #211D5A #322C88 #433BB7

Accessibility & contrast

On white

15.13

#211D5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#211D5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D5A

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D5A	#FFFFFF	#000000	##FFFFFF
##211D5A	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285C

Deuteranopia (green-blind)

#002459

Tritanopia (blue-blind)

#002C38

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #211d5a;
/* rgb */ color: rgb(33, 29, 90);
/* oklch */ color: oklch(27.8% 0.106 279.9);

Tailwind

colors: {
  custom: {
    50: '#635989',
    500: '#211d5a',
    950: '#000000',
  },
}

SCSS

$custom: #211d5a;
$custom-light: #635989;
$custom-dark: #000000;

JSON

{
  "hex": "#211d5a",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 90
  },
  "hsl": {
    "h": 243.934,
    "s": 51.261,
    "l": 23.333
  },
  "oklch": {
    "l": 0.27787,
    "c": 0.10561,
    "h": 279.9
  },
  "luminance": 0.0194
}

Semantic roles & 50–950 ramp

primary

#211D5A

secondary

#8A8F44

accent

#DB4DD1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030B

muted

#7A787C

Preview Lab

Preview with #211D5A

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

Preview Lab → · Contrast checker → · Palette generator →