#211C74#211C74

#211C74 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.3% C 0.144 H 276.0°. Best body text is #FFFFFF at 14.16:1 contrast (WCAG AA passes).

Color values

HEX	#211C74
RGB	rgb(33, 28, 116)
HSL	hsl(243, 61%, 28%)
HSV	hsv(243, 76%, 45%)
CMYK	cmyk(71.6%, 75.9%, 0%, 54.5%)
CIE-LAB	lab(17.53, 32.17, -49.39)
CIE-LCH	lch(17.53, 58.94, 303.08°)
OKLab	oklab(30.28% 0.0151 -0.1427)
OKLCH	oklch(30.28% 0.144 276)
XYZ	xyz(4.1938, 2.4144, 16.7646)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211C74 #6F741C

analogous

#1C4374 #211C74 #4D1C74

triadic

#211C74 #74211C #1C7421

tetradic

#211C74 #741C43 #6F741C #1C744D

square

#211C74 #741C43 #6F741C #1C744D

split-complementary

#211C74 #744D1C #43741C

monochromatic

#070619 #131043 #211C74 #2F28A5 #433BD0

Accessibility & contrast

On white

14.16

#211C74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#211C74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211C74

14.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211C74	#FFFFFF	#000000	##FFFFFF
##211C74	1.00	14.16	1.48	14.16
#FFFFFF	14.16	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F77

Deuteranopia (green-blind)

#002772

Tritanopia (blue-blind)

#003546

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #211c74;
/* rgb */ color: rgb(33, 28, 116);
/* oklch */ color: oklch(30.3% 0.144 276.0);

Tailwind

colors: {
  custom: {
    50: '#6a599d',
    500: '#211c74',
    950: '#000000',
  },
}

SCSS

$custom: #211c74;
$custom-light: #6a599d;
$custom-dark: #000000;

JSON

{
  "hex": "#211c74",
  "rgb": {
    "r": 33,
    "g": 28,
    "b": 116
  },
  "hsl": {
    "h": 243.409,
    "s": 61.111,
    "l": 28.235
  },
  "oklch": {
    "l": 0.3028,
    "c": 0.14353,
    "h": 276
  },
  "luminance": 0.02415
}

Semantic roles & 50–950 ramp

primary

#211C74

secondary

#A3A843

accent

#E444DB

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #211C74

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

Preview Lab → · Contrast checker → · Palette generator →