#211D5C#211D5C

#211D5C is a dark, moderate blue. Relative luminance 0.020; OKLCH L 28.0% C 0.109 H 279.6°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#211D5C
RGB	rgb(33, 29, 92)
HSL	hsl(244, 52%, 24%)
HSV	hsv(244, 68%, 36%)
CMYK	cmyk(64.1%, 68.5%, 0%, 63.9%)
CIE-LAB	lab(15.35, 22.83, -37.21)
CIE-LCH	lch(15.35, 43.65, 301.53°)
OKLab	oklab(27.98% 0.0181 -0.1071)
OKLCH	oklch(27.98% 0.109 279.6)
XYZ	xyz(2.9977, 1.9746, 10.3463)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D5C #585C1D

analogous

#1D385C #211D5C #401D5C

triadic

#211D5C #5C211D #1D5C21

tetradic

#211D5C #5C1D38 #585C1D #1D5C40

square

#211D5C #5C1D38 #585C1D #1D5C40

split-complementary

#211D5C #5C401D #385C1D

monochromatic

#080717 #100E2D #211D5C #322C8B #423AB9

Accessibility & contrast

On white

15.05

#211D5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#211D5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D5C

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D5C	#FFFFFF	#000000	##FFFFFF
##211D5C	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295E

Deuteranopia (green-blind)

#00245B

Tritanopia (blue-blind)

#002D39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #211d5c;
/* rgb */ color: rgb(33, 29, 92);
/* oklch */ color: oklch(28.0% 0.109 279.6);

Tailwind

colors: {
  custom: {
    50: '#64598b',
    500: '#211d5c',
    950: '#000000',
  },
}

SCSS

$custom: #211d5c;
$custom-light: #64598b;
$custom-dark: #000000;

JSON

{
  "hex": "#211d5c",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 92
  },
  "hsl": {
    "h": 243.81,
    "s": 52.066,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27978,
    "c": 0.10858,
    "h": 279.6
  },
  "luminance": 0.01975
}

Semantic roles & 50–950 ramp

primary

#211D5C

secondary

#8C9144

accent

#DC4CD2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #211D5C

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

Preview Lab → · Contrast checker → · Palette generator →