#211B7A#211B7A

#211B7A is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.8% C 0.152 H 275.4°. Best body text is #FFFFFF at 13.98:1 contrast (WCAG AA passes).

Color values

HEX	#211B7A
RGB	rgb(33, 27, 122)
HSL	hsl(244, 64%, 29%)
HSV	hsv(244, 78%, 48%)
CMYK	cmyk(73%, 77.9%, 0%, 52.2%)
CIE-LAB	lab(17.97, 34.86, -52.51)
CIE-LCH	lch(17.97, 63.03, 303.58°)
OKLab	oklab(30.79% 0.0144 -0.1518)
OKLCH	oklch(30.79% 0.152 275.4)
XYZ	xyz(4.5308, 2.5119, 18.6547)
Luminance	0.0251 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B7A #747A1B

analogous

#1B457A #211B7A #511B7A

triadic

#211B7A #7A211B #1B7A21

tetradic

#211B7A #7A1B45 #747A1B #1B7A51

square

#211B7A #7A1B45 #747A1B #1B7A51

split-complementary

#211B7A #7A511B #457A1B

monochromatic

#070619 #131048 #211B7A #2F26AC #453CD4

Accessibility & contrast

On white

13.98

#211B7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#211B7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B7A

13.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B7A	#FFFFFF	#000000	##FFFFFF
##211B7A	1.00	13.98	1.50	13.98
#FFFFFF	13.98	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307D

Deuteranopia (green-blind)

#002878

Tritanopia (blue-blind)

#003749

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #211b7a;
/* rgb */ color: rgb(33, 27, 122);
/* oklch */ color: oklch(30.8% 0.152 275.4);

Tailwind

colors: {
  custom: {
    50: '#6b59a2',
    500: '#211b7a',
    950: '#000000',
  },
}

SCSS

$custom: #211b7a;
$custom-light: #6b59a2;
$custom-dark: #000000;

JSON

{
  "hex": "#211b7a",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 122
  },
  "hsl": {
    "h": 243.789,
    "s": 63.758,
    "l": 29.216
  },
  "oklch": {
    "l": 0.30793,
    "c": 0.15249,
    "h": 275.4
  },
  "luminance": 0.02512
}

Semantic roles & 50–950 ramp

primary

#211B7A

secondary

#A7AE43

accent

#E741DC

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #211B7A

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

Preview Lab → · Contrast checker → · Palette generator →