#211D4E#211D4E

#211D4E is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.087 H 282.4°. Best body text is #FFFFFF at 15.55:1 contrast (WCAG AA passes).

Color values

HEX	#211D4E
RGB	rgb(33, 29, 78)
HSL	hsl(245, 46%, 21%)
HSV	hsv(245, 63%, 31%)
CMYK	cmyk(57.7%, 62.8%, 0%, 69.4%)
CIE-LAB	lab(14.13, 17.66, -29.73)
CIE-LCH	lch(14.13, 34.58, 300.71°)
OKLab	oklab(26.69% 0.0188 -0.0851)
OKLCH	oklch(26.69% 0.087 282.4)
XYZ	xyz(2.4413, 1.7520, 7.4158)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D4E #4A4E1D

analogous

#1D314E #211D4E #391D4E

triadic

#211D4E #4E211D #1D4E21

tetradic

#211D4E #4E1D31 #4A4E1D #1D4E39

square

#211D4E #4E1D31 #4A4E1D #1D4E39

split-complementary

#211D4E #4E391D #314E1D

monochromatic

#090816 #0E0C21 #211D4E #342E7B #473EA7

Accessibility & contrast

On white

15.55

#211D4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#211D4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D4E

15.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D4E	#FFFFFF	#000000	##FFFFFF
##211D4E	1.00	15.55	1.35	15.55
#FFFFFF	15.55	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002650

Deuteranopia (green-blind)

#00224D

Tritanopia (blue-blind)

#0E2832

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #211d4e;
/* rgb */ color: rgb(33, 29, 78);
/* oklch */ color: oklch(26.7% 0.087 282.4);

Tailwind

colors: {
  custom: {
    50: '#615980',
    500: '#211d4e',
    950: '#000000',
  },
}

SCSS

$custom: #211d4e;
$custom-light: #615980;
$custom-dark: #000000;

JSON

{
  "hex": "#211d4e",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 78
  },
  "hsl": {
    "h": 244.898,
    "s": 45.794,
    "l": 20.98
  },
  "oklch": {
    "l": 0.26694,
    "c": 0.08713,
    "h": 282.4
  },
  "luminance": 0.01752
}

Semantic roles & 50–950 ramp

primary

#211D4E

secondary

#7E8344

accent

#D552CB

background

#F5F5F7

surface

#EAE9EE

border

#C6C5C9

text

#05030A

muted

#79787C

Preview Lab

Preview with #211D4E

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

Preview Lab → · Contrast checker → · Palette generator →