#211B8F#211B8F

#211B8F is a dark, vivid blue. Relative luminance 0.031; OKLCH L 33.2% C 0.179 H 273.0°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#211B8F
RGB	rgb(33, 27, 143)
HSL	hsl(243, 68%, 33%)
HSV	hsv(243, 81%, 56%)
CMYK	cmyk(76.9%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(20.40, 41.92, -61.74)
CIE-LCH	lch(20.40, 74.62, 304.18°)
OKLab	oklab(33.21% 0.0095 -0.1786)
OKLCH	oklch(33.21% 0.179 273)
XYZ	xyz(5.9754, 3.0897, 26.2627)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B8F #898F1B

analogous

#1B4F8F #211B8F #5B1B8F

triadic

#211B8F #8F211B #1B8F21

tetradic

#211B8F #8F1B4F #898F1B #1B8F5B

square

#211B8F #8F1B4F #898F1B #1B8F5B

split-complementary

#211B8F #8F5B1B #4F8F1B

monochromatic

#090828 #15115C #211B8F #2D25C2 #5048DC

Accessibility & contrast

On white

12.98

#211B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#211B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B8F

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B8F	#FFFFFF	#000000	##FFFFFF
##211B8F	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#002B8D

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #211b8f;
/* rgb */ color: rgb(33, 27, 143);
/* oklch */ color: oklch(33.2% 0.179 273.0);

Tailwind

colors: {
  custom: {
    50: '#715ab1',
    500: '#211b8f',
    950: '#000000',
  },
}

SCSS

$custom: #211b8f;
$custom-light: #715ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#211b8f",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 243.103,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33211,
    "c": 0.17889,
    "h": 273
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#211B8F

secondary

#B8BE48

accent

#EB3DE2

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #211B8F

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

Preview Lab → · Contrast checker → · Palette generator →