#211D5B#211D5B

#211D5B is a dark, moderate blue. Relative luminance 0.020; OKLCH L 27.9% C 0.107 H 279.8°. Best body text is #FFFFFF at 15.09:1 contrast (WCAG AA passes).

Color values

HEX	#211D5B
RGB	rgb(33, 29, 91)
HSL	hsl(244, 52%, 24%)
HSV	hsv(244, 68%, 36%)
CMYK	cmyk(63.7%, 68.1%, 0%, 64.3%)
CIE-LAB	lab(15.26, 22.46, -36.69)
CIE-LCH	lch(15.26, 43.02, 301.48°)
OKLab	oklab(27.88% 0.0182 -0.1055)
OKLCH	oklch(27.88% 0.107 279.8)
XYZ	xyz(2.9543, 1.9572, 10.1176)
Luminance	0.0196 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D5B #575B1D

analogous

#1D385B #211D5B #401D5B

triadic

#211D5B #5B211D #1D5B21

tetradic

#211D5B #5B1D38 #575B1D #1D5B40

square

#211D5B #5B1D38 #575B1D #1D5B40

split-complementary

#211D5B #5B401D #385B1D

monochromatic

#080717 #100E2D #211D5B #322C89 #433BB8

Accessibility & contrast

On white

15.09

#211D5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#211D5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D5B

15.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D5B	#FFFFFF	#000000	##FFFFFF
##211D5B	1.00	15.09	1.39	15.09
#FFFFFF	15.09	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295D

Deuteranopia (green-blind)

#00245A

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #211d5b;
/* rgb */ color: rgb(33, 29, 91);
/* oklch */ color: oklch(27.9% 0.107 279.8);

Tailwind

colors: {
  custom: {
    50: '#64598a',
    500: '#211d5b',
    950: '#000000',
  },
}

SCSS

$custom: #211d5b;
$custom-light: #64598a;
$custom-dark: #000000;

JSON

{
  "hex": "#211d5b",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 91
  },
  "hsl": {
    "h": 243.871,
    "s": 51.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27883,
    "c": 0.1071,
    "h": 279.8
  },
  "luminance": 0.01957
}

Semantic roles & 50–950 ramp

primary

#211D5B

secondary

#8B9044

accent

#DB4DD2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #211D5B

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

Preview Lab → · Contrast checker → · Palette generator →