#211C8C#211C8C

#211C8C is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.174 H 273.2°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#211C8C
RGB	rgb(33, 28, 140)
HSL	hsl(243, 67%, 33%)
HSV	hsv(243, 80%, 55%)
CMYK	cmyk(76.4%, 80%, 0%, 45.1%)
CIE-LAB	lab(20.23, 40.40, -60.15)
CIE-LCH	lch(20.23, 72.46, 303.89°)
OKLab	oklab(32.99% 0.0098 -0.174)
OKLCH	oklch(32.99% 0.174 273.2)
XYZ	xyz(5.7745, 3.0467, 25.0896)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C8C #878C1C

analogous

#1C4F8C #211C8C #591C8C

triadic

#211C8C #8C211C #1C8C21

tetradic

#211C8C #8C1C4F #878C1C #1C8C59

square

#211C8C #8C1C4F #878C1C #1C8C59

split-complementary

#211C8C #8C591C #4F8C1C

monochromatic

#090826 #151259 #211C8C #2D26BF #4F48DA

Accessibility & contrast

On white

13.05

#211C8C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#211C8C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C8C

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C8C	#FFFFFF	#000000	##FFFFFF
##211C8C	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00368F

Deuteranopia (green-blind)

#002B8A

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211c8c;
/* rgb */ color: rgb(33, 28, 140);
/* oklch */ color: oklch(33.0% 0.174 273.2);

Tailwind

colors: {
  custom: {
    50: '#705baf',
    500: '#211c8c',
    950: '#000000',
  },
}

SCSS

$custom: #211c8c;
$custom-light: #705baf;
$custom-dark: #000000;

JSON

{
  "hex": "#211c8c",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 140
  },
  "hsl": {
    "h": 242.679,
    "s": 66.667,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32989,
    "c": 0.17432,
    "h": 273.2
  },
  "luminance": 0.03047
}

Semantic roles & 50–950 ramp

primary

#211C8C

secondary

#B7BC48

accent

#EA3EE2

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090411

muted

#7B7980

Preview Lab

Preview with #211C8C

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

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