#211D7C#211D7C

#211D7C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.3% C 0.153 H 274.8°. Best body text is #FFFFFF at 13.71:1 contrast (WCAG AA passes).

Color values

HEX	#211D7C
RGB	rgb(33, 29, 124)
HSL	hsl(243, 62%, 30%)
HSV	hsv(243, 77%, 49%)
CMYK	cmyk(73.4%, 76.6%, 0%, 51.4%)
CIE-LAB	lab(18.61, 34.37, -52.73)
CIE-LCH	lch(18.61, 62.94, 303.10°)
OKLab	oklab(31.31% 0.0129 -0.1525)
OKLCH	oklch(31.31% 0.153 274.8)
XYZ	xyz(4.7035, 2.6568, 19.3298)
Luminance	0.0266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D7C #787C1D

analogous

#1D497C #211D7C #501D7C

triadic

#211D7C #7C211D #1D7C21

tetradic

#211D7C #7C1D49 #787C1D #1D7C50

square

#211D7C #7C1D49 #787C1D #1D7C50

split-complementary

#211D7C #7C501D #497C1D

monochromatic

#070619 #14114A #211D7C #2E29AE #4741D3

Accessibility & contrast

On white

13.71

#211D7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#211D7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D7C

13.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D7C	#FFFFFF	#000000	##FFFFFF
##211D7C	1.00	13.71	1.53	13.71
#FFFFFF	13.71	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211d7c;
/* rgb */ color: rgb(33, 29, 124);
/* oklch */ color: oklch(31.3% 0.153 274.8);

Tailwind

colors: {
  custom: {
    50: '#6c5aa3',
    500: '#211d7c',
    950: '#000000',
  },
}

SCSS

$custom: #211d7c;
$custom-light: #6c5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#211d7c",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 124
  },
  "hsl": {
    "h": 242.526,
    "s": 62.092,
    "l": 30
  },
  "oklch": {
    "l": 0.31313,
    "c": 0.153,
    "h": 274.8
  },
  "luminance": 0.02657
}

Semantic roles & 50–950 ramp

primary

#211D7C

secondary

#ABB045

accent

#E543DE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #211D7C

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

Preview Lab → · Contrast checker → · Palette generator →