#211B7F#211B7F

#211B7F is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.159 H 274.8°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#211B7F
RGB	rgb(33, 27, 127)
HSL	hsl(244, 65%, 30%)
HSV	hsv(244, 79%, 50%)
CMYK	cmyk(74%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(18.54, 36.58, -54.76)
CIE-LCH	lch(18.54, 65.85, 303.74°)
OKLab	oklab(31.36% 0.0133 -0.1584)
OKLCH	oklch(31.36% 0.159 274.8)
XYZ	xyz(4.8486, 2.6390, 20.3284)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B7F #797F1B

analogous

#1B477F #211B7F #531B7F

triadic

#211B7F #7F211B #1B7F21

tetradic

#211B7F #7F1B47 #797F1B #1B7F53

square

#211B7F #7F1B47 #797F1B #1B7F53

split-complementary

#211B7F #7F531B #477F1B

monochromatic

#07061A #14104D #211B7F #2E26B1 #473ED6

Accessibility & contrast

On white

13.74

#211B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#211B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B7F

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B7F	#FFFFFF	#000000	##FFFFFF
##211B7F	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003282

Deuteranopia (green-blind)

#00287D

Tritanopia (blue-blind)

#00394C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211b7f;
/* rgb */ color: rgb(33, 27, 127);
/* oklch */ color: oklch(31.4% 0.159 274.8);

Tailwind

colors: {
  custom: {
    50: '#6d59a5',
    500: '#211b7f',
    950: '#000000',
  },
}

SCSS

$custom: #211b7f;
$custom-light: #6d59a5;
$custom-dark: #000000;

JSON

{
  "hex": "#211b7f",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 243.6,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31358,
    "c": 0.15893,
    "h": 274.8
  },
  "luminance": 0.0264
}

Semantic roles & 50–950 ramp

primary

#211B7F

secondary

#ACB343

accent

#E840DE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #211B7F

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

Preview Lab → · Contrast checker → · Palette generator →