#211B4C#211B4C

#211B4C is a dark, moderate blue. Relative luminance 0.016; OKLCH L 26.1% C 0.087 H 284.2°. Best body text is #FFFFFF at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#211B4C
RGB	rgb(33, 27, 76)
HSL	hsl(247, 48%, 20%)
HSV	hsv(247, 64%, 30%)
CMYK	cmyk(56.6%, 64.5%, 0%, 70.2%)
CIE-LAB	lab(13.41, 18.36, -29.53)
CIE-LCH	lch(13.41, 34.77, 301.87°)
OKLab	oklab(26.11% 0.0213 -0.0845)
OKLCH	oklch(26.11% 0.087 284.2)
XYZ	xyz(2.3232, 1.6289, 7.0281)
Luminance	0.0163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B4C #464C1B

analogous

#1B2D4C #211B4C #391B4C

triadic

#211B4C #4C211B #1B4C21

tetradic

#211B4C #4C1B2D #464C1B #1B4C39

square

#211B4C #4C1B2D #464C1B #1B4C39

split-complementary

#211B4C #4C391B #2D4C1B

monochromatic

#0A0817 #0D0B1F #211B4C #352B79 #483BA6

Accessibility & contrast

On white

15.84

#211B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#211B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B4C

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B4C	#FFFFFF	#000000	##FFFFFF
##211B4C	1.00	15.84	1.33	15.84
#FFFFFF	15.84	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00244E

Deuteranopia (green-blind)

#00214B

Tritanopia (blue-blind)

#102630

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #211b4c;
/* rgb */ color: rgb(33, 27, 76);
/* oklch */ color: oklch(26.1% 0.087 284.2);

Tailwind

colors: {
  custom: {
    50: '#61577e',
    500: '#211b4c',
    950: '#000000',
  },
}

SCSS

$custom: #211b4c;
$custom-light: #61577e;
$custom-dark: #000000;

JSON

{
  "hex": "#211b4c",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 76
  },
  "hsl": {
    "h": 247.347,
    "s": 47.573,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26107,
    "c": 0.08716,
    "h": 284.2
  },
  "luminance": 0.01629
}

Semantic roles & 50–950 ramp

primary

#211B4C

secondary

#7A8241

accent

#D751C7

background

#F5F5F7

surface

#EAE9EE

border

#C6C5C9

text

#05030A

muted

#79787C

Preview Lab

Preview with #211B4C

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

Preview Lab → · Contrast checker → · Palette generator →