#212171#212171

#212171 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.8% C 0.134 H 275.2°. Best body text is #FFFFFF at 13.81:1 contrast (WCAG AA passes).

Color values

HEX	#212171
RGB	rgb(33, 33, 113)
HSL	hsl(240, 55%, 29%)
HSV	hsv(240, 71%, 44%)
CMYK	cmyk(70.8%, 70.8%, 0%, 55.7%)
CIE-LAB	lab(18.38, 27.90, -46.05)
CIE-LCH	lch(18.38, 53.84, 301.20°)
OKLab	oklab(30.8% 0.0121 -0.133)
OKLCH	oklch(30.8% 0.134 275.2)
XYZ	xyz(4.1507, 2.6029, 15.9033)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#212171 #717121

analogous

#214971 #212171 #492171

triadic

#212171 #712121 #217121

tetradic

#212171 #712149 #717121 #217149

square

#212171 #712149 #717121 #217149

split-complementary

#212171 #714921 #497121

monochromatic

#070718 #131342 #212171 #2F2FA0 #4444C8

Accessibility & contrast

On white

13.81

#212171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#212171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #212171

13.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##212171	#FFFFFF	#000000	##FFFFFF
##212171	1.00	13.81	1.52	13.81
#FFFFFF	13.81	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#00296F

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #212171;
/* rgb */ color: rgb(33, 33, 113);
/* oklch */ color: oklch(30.8% 0.134 275.2);

Tailwind

colors: {
  custom: {
    50: '#685d9b',
    500: '#212171',
    950: '#000000',
  },
}

SCSS

$custom: #212171;
$custom-light: #685d9b;
$custom-dark: #000000;

JSON

{
  "hex": "#212171",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 113
  },
  "hsl": {
    "h": 240,
    "s": 54.795,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30797,
    "c": 0.13354,
    "h": 275.2
  },
  "luminance": 0.02603
}

Semantic roles & 50–950 ramp

primary

#212171

secondary

#A5A549

accent

#DE4ADE

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #212171

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

Preview Lab → · Contrast checker → · Palette generator →