#211D57#211D57

#211D57 is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.5% C 0.101 H 280.5°. Best body text is #FFFFFF at 15.24:1 contrast (WCAG AA passes).

Color values

HEX	#211D57
RGB	rgb(33, 29, 87)
HSL	hsl(244, 50%, 23%)
HSV	hsv(244, 67%, 34%)
CMYK	cmyk(62.1%, 66.7%, 0%, 65.9%)
CIE-LAB	lab(14.90, 20.98, -34.59)
CIE-LCH	lch(14.90, 40.46, 301.24°)
OKLab	oklab(27.51% 0.0185 -0.0994)
OKLCH	oklch(27.51% 0.101 280.5)
XYZ	xyz(2.7863, 1.8900, 9.2330)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D57 #53571D

analogous

#1D3657 #211D57 #3E1D57

triadic

#211D57 #57211D #1D5721

tetradic

#211D57 #571D36 #53571D #1D573E

square

#211D57 #571D36 #53571D #1D573E

split-complementary

#211D57 #573E1D #36571D

monochromatic

#090817 #100E29 #211D57 #322C85 #443CB3

Accessibility & contrast

On white

15.24

#211D57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#211D57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D57

15.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D57	#FFFFFF	#000000	##FFFFFF
##211D57	1.00	15.24	1.38	15.24
#FFFFFF	15.24	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002859

Deuteranopia (green-blind)

#002356

Tritanopia (blue-blind)

#042B36

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #211d57;
/* rgb */ color: rgb(33, 29, 87);
/* oklch */ color: oklch(27.5% 0.101 280.5);

Tailwind

colors: {
  custom: {
    50: '#635987',
    500: '#211d57',
    950: '#000000',
  },
}

SCSS

$custom: #211d57;
$custom-light: #635987;
$custom-dark: #000000;

JSON

{
  "hex": "#211d57",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 87
  },
  "hsl": {
    "h": 244.138,
    "s": 50,
    "l": 22.745
  },
  "oklch": {
    "l": 0.27505,
    "c": 0.10109,
    "h": 280.5
  },
  "luminance": 0.0189
}

Semantic roles & 50–950 ramp

primary

#211D57

secondary

#878C44

accent

#DA4ED0

background

#F6F5F8

surface

#EBE9EF

border

#C6C5CA

text

#06030B

muted

#7A787C

Preview Lab

Preview with #211D57

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

Preview Lab → · Contrast checker → · Palette generator →