#211D7B#211D7B

#211D7B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.2% C 0.152 H 274.9°. Best body text is #FFFFFF at 13.76:1 contrast (WCAG AA passes).

Color values

HEX	#211D7B
RGB	rgb(33, 29, 123)
HSL	hsl(243, 62%, 30%)
HSV	hsv(243, 76%, 48%)
CMYK	cmyk(73.2%, 76.4%, 0%, 51.8%)
CIE-LAB	lab(18.50, 34.02, -52.27)
CIE-LCH	lch(18.50, 62.37, 303.06°)
OKLab	oklab(31.2% 0.0131 -0.1511)
OKLCH	oklch(31.2% 0.152 274.9)
XYZ	xyz(4.6405, 2.6317, 18.9985)
Luminance	0.0263 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D7B #777B1D

analogous

#1D487B #211D7B #501D7B

triadic

#211D7B #7B211D #1D7B21

tetradic

#211D7B #7B1D48 #777B1D #1D7B50

square

#211D7B #7B1D48 #777B1D #1D7B50

split-complementary

#211D7B #7B501D #487B1D

monochromatic

#070619 #141149 #211D7B #2E29AD #4740D2

Accessibility & contrast

On white

13.76

#211D7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#211D7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D7B

13.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D7B	#FFFFFF	#000000	##FFFFFF
##211D7B	1.00	13.76	1.53	13.76
#FFFFFF	13.76	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002979

Tritanopia (blue-blind)

#00384A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211d7b;
/* rgb */ color: rgb(33, 29, 123);
/* oklch */ color: oklch(31.2% 0.152 274.9);

Tailwind

colors: {
  custom: {
    50: '#6b5aa2',
    500: '#211d7b',
    950: '#000000',
  },
}

SCSS

$custom: #211d7b;
$custom-light: #6b5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#211d7b",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 123
  },
  "hsl": {
    "h": 242.553,
    "s": 61.842,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31202,
    "c": 0.15169,
    "h": 274.9
  },
  "luminance": 0.02632
}

Semantic roles & 50–950 ramp

primary

#211D7B

secondary

#AAAF45

accent

#E543DE

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #211D7B

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

Preview Lab → · Contrast checker → · Palette generator →