#211D71#211D71

#211D71 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.138 H 276.2°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#211D71
RGB	rgb(33, 29, 113)
HSL	hsl(243, 59%, 28%)
HSV	hsv(243, 74%, 44%)
CMYK	cmyk(70.8%, 74.3%, 0%, 55.7%)
CIE-LAB	lab(17.43, 30.48, -47.61)
CIE-LCH	lch(17.43, 56.53, 302.63°)
OKLab	oklab(30.12% 0.015 -0.1375)
OKLCH	oklch(30.12% 0.138 276.2)
XYZ	xyz(4.0462, 2.3940, 15.8684)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211D71 #6D711D

analogous

#1D4371 #211D71 #4B1D71

triadic

#211D71 #71211D #1D7121

tetradic

#211D71 #711D43 #6D711D #1D714B

square

#211D71 #711D43 #6D711D #1D714B

split-complementary

#211D71 #714B1D #43711D

monochromatic

#070618 #131140 #211D71 #2F29A2 #423CCD

Accessibility & contrast

On white

14.20

#211D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#211D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211D71

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211D71	#FFFFFF	#000000	##FFFFFF
##211D71	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E74

Deuteranopia (green-blind)

#00276F

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #211d71;
/* rgb */ color: rgb(33, 29, 113);
/* oklch */ color: oklch(30.1% 0.138 276.2);

Tailwind

colors: {
  custom: {
    50: '#695a9b',
    500: '#211d71',
    950: '#000000',
  },
}

SCSS

$custom: #211d71;
$custom-light: #695a9b;
$custom-dark: #000000;

JSON

{
  "hex": "#211d71",
  "rgb": {
    "r": 33,
    "g": 29,
    "b": 113
  },
  "hsl": {
    "h": 242.857,
    "s": 59.155,
    "l": 27.843
  },
  "oklch": {
    "l": 0.30116,
    "c": 0.13835,
    "h": 276.2
  },
  "luminance": 0.02394
}

Semantic roles & 50–950 ramp

primary

#211D71

secondary

#A1A544

accent

#E245DB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #211D71

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

Preview Lab → · Contrast checker → · Palette generator →