#211F4E#211F4E

#211F4E is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.1% C 0.084 H 281.1°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#211F4E
RGB	rgb(33, 31, 78)
HSL	hsl(243, 43%, 21%)
HSV	hsv(243, 60%, 31%)
CMYK	cmyk(57.7%, 60.3%, 0%, 69.4%)
CIE-LAB	lab(14.70, 16.22, -28.81)
CIE-LCH	lch(14.70, 33.06, 299.38°)
OKLab	oklab(27.12% 0.0162 -0.0824)
OKLCH	oklch(27.12% 0.084 281.1)
XYZ	xyz(2.4919, 1.8532, 7.4326)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211F4E #4C4E1F

analogous

#1F354E #211F4E #391F4E

triadic

#211F4E #4E211F #1F4E21

tetradic

#211F4E #4E1F35 #4C4E1F #1F4E39

square

#211F4E #4E1F35 #4C4E1F #1F4E39

split-complementary

#211F4E #4E391F #354E1F

monochromatic

#090916 #0E0E22 #211F4E #34307A #4642A6

Accessibility & contrast

On white

15.32

#211F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#211F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211F4E

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211F4E	#FFFFFF	#000000	##FFFFFF
##211F4E	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042750

Deuteranopia (green-blind)

#00234D

Tritanopia (blue-blind)

#0E2A33

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #211f4e;
/* rgb */ color: rgb(33, 31, 78);
/* oklch */ color: oklch(27.1% 0.084 281.1);

Tailwind

colors: {
  custom: {
    50: '#615a80',
    500: '#211f4e',
    950: '#000000',
  },
}

SCSS

$custom: #211f4e;
$custom-light: #615a80;
$custom-dark: #000000;

JSON

{
  "hex": "#211f4e",
  "rgb": {
    "r": 33,
    "g": 31,
    "b": 78
  },
  "hsl": {
    "h": 242.553,
    "s": 43.119,
    "l": 21.373
  },
  "oklch": {
    "l": 0.27116,
    "c": 0.08395,
    "h": 281.1
  },
  "luminance": 0.01853
}

Semantic roles & 50–950 ramp

primary

#211F4E

secondary

#808346

accent

#D355CE

background

#F5F5F7

surface

#EAE9EE

border

#C6C5C9

text

#05030A

muted

#79787C

Preview Lab

Preview with #211F4E

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

Preview Lab → · Contrast checker → · Palette generator →