#211C4E#211C4E

#211C4E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.089 H 283.0°. Best body text is #FFFFFF at 15.66:1 contrast (WCAG AA passes).

Color values

HEX	#211C4E
RGB	rgb(33, 28, 78)
HSL	hsl(246, 47%, 21%)
HSV	hsv(246, 64%, 31%)
CMYK	cmyk(57.7%, 64.1%, 0%, 69.4%)
CIE-LAB	lab(13.85, 18.38, -30.18)
CIE-LCH	lch(13.85, 35.34, 301.34°)
OKLab	oklab(26.49% 0.02 -0.0864)
OKLCH	oklch(26.49% 0.089 283)
XYZ	xyz(2.4172, 1.7038, 7.4077)
Luminance	0.0170 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C4E #494E1C

analogous

#1C304E #211C4E #3A1C4E

triadic

#211C4E #4E211C #1C4E21

tetradic

#211C4E #4E1C30 #494E1C #1C4E3A

square

#211C4E #4E1C30 #494E1C #1C4E3A

split-complementary

#211C4E #4E3A1C #304E1C

monochromatic

#0A0817 #0E0C21 #211C4E #342C7B #473CA8

Accessibility & contrast

On white

15.66

#211C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#211C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C4E

15.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C4E	#FFFFFF	#000000	##FFFFFF
##211C4E	1.00	15.66	1.34	15.66
#FFFFFF	15.66	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002550

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#0F2831

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #211c4e;
/* rgb */ color: rgb(33, 28, 78);
/* oklch */ color: oklch(26.5% 0.089 283.0);

Tailwind

colors: {
  custom: {
    50: '#615880',
    500: '#211c4e',
    950: '#000000',
  },
}

SCSS

$custom: #211c4e;
$custom-light: #615880;
$custom-dark: #000000;

JSON

{
  "hex": "#211c4e",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 78
  },
  "hsl": {
    "h": 246,
    "s": 47.17,
    "l": 20.784
  },
  "oklch": {
    "l": 0.26487,
    "c": 0.08872,
    "h": 283
  },
  "luminance": 0.01704
}

Semantic roles & 50–950 ramp

primary

#211C4E

secondary

#7D8442

accent

#D751C9

background

#F5F5F7

surface

#EAE9EE

border

#C6C5C9

text

#05030A

muted

#79787C

Preview Lab

Preview with #211C4E

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

Preview Lab → · Contrast checker → · Palette generator →