#211C81#211C81

#211C81 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.160 H 274.4°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#211C81
RGB	rgb(33, 28, 129)
HSL	hsl(243, 64%, 31%)
HSV	hsv(243, 78%, 51%)
CMYK	cmyk(74.4%, 78.3%, 0%, 49.4%)
CIE-LAB	lab(18.96, 36.69, -55.33)
CIE-LCH	lch(18.96, 66.38, 303.55°)
OKLab	oklab(31.73% 0.0123 -0.16)
OKLCH	oklch(31.73% 0.16 274.4)
XYZ	xyz(5.0036, 2.7383, 21.0295)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C81 #7C811C

analogous

#1C4981 #211C81 #531C81

triadic

#211C81 #81211C #1C8121

tetradic

#211C81 #811C49 #7C811C #1C8153

square

#211C81 #811C49 #7C811C #1C8153

split-complementary

#211C81 #81531C #49811C

monochromatic

#07061C #14114F #211C81 #2E27B3 #4942D6

Accessibility & contrast

On white

13.57

#211C81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#211C81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C81

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C81	#FFFFFF	#000000	##FFFFFF
##211C81	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003384

Deuteranopia (green-blind)

#00297F

Tritanopia (blue-blind)

#003A4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #211c81;
/* rgb */ color: rgb(33, 28, 129);
/* oklch */ color: oklch(31.7% 0.160 274.4);

Tailwind

colors: {
  custom: {
    50: '#6d5aa7',
    500: '#211c81',
    950: '#000000',
  },
}

SCSS

$custom: #211c81;
$custom-light: #6d5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#211c81",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 129
  },
  "hsl": {
    "h": 242.97,
    "s": 64.331,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31726,
    "c": 0.16049,
    "h": 274.4
  },
  "luminance": 0.02739
}

Semantic roles & 50–950 ramp

primary

#211C81

secondary

#AFB444

accent

#E740DF

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #211C81

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

Preview Lab → · Contrast checker → · Palette generator →