#211C7B#211C7B

#211C7B is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.153 H 275.1°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#211C7B
RGB	rgb(33, 28, 123)
HSL	hsl(243, 63%, 30%)
HSV	hsv(243, 77%, 48%)
CMYK	cmyk(73.2%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(18.29, 34.62, -52.62)
CIE-LCH	lch(18.29, 62.98, 303.34°)
OKLab	oklab(31.05% 0.0136 -0.1521)
OKLCH	oklch(31.05% 0.153 275.1)
XYZ	xyz(4.6164, 2.5835, 18.9904)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C7B #767B1C

analogous

#1C477B #211C7B #511C7B

triadic

#211C7B #7B211C #1C7B21

tetradic

#211C7B #7B1C47 #767B1C #1C7B51

square

#211C7B #7B1C47 #767B1C #1C7B51

split-complementary

#211C7B #7B511C #477B1C

monochromatic

#070619 #141149 #211C7B #2E27AD #463ED3

Accessibility & contrast

On white

13.84

#211C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#211C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C7B

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C7B	#FFFFFF	#000000	##FFFFFF
##211C7B	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211c7b;
/* rgb */ color: rgb(33, 28, 123);
/* oklch */ color: oklch(31.1% 0.153 275.1);

Tailwind

colors: {
  custom: {
    50: '#6b5aa2',
    500: '#211c7b',
    950: '#000000',
  },
}

SCSS

$custom: #211c7b;
$custom-light: #6b5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#211c7b",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 243.158,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31052,
    "c": 0.15275,
    "h": 275.1
  },
  "luminance": 0.02584
}

Semantic roles & 50–950 ramp

primary

#211C7B

secondary

#A9AF44

accent

#E642DD

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08040F

muted

#7A797F

Preview Lab

Preview with #211C7B

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

Preview Lab → · Contrast checker → · Palette generator →