#211B74#211B74

#211B74 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.1% C 0.145 H 276.2°. Best body text is #FFFFFF at 14.25:1 contrast (WCAG AA passes).

Color values

HEX	#211B74
RGB	rgb(33, 27, 116)
HSL	hsl(244, 62%, 28%)
HSV	hsv(244, 77%, 45%)
CMYK	cmyk(71.6%, 76.7%, 0%, 54.5%)
CIE-LAB	lab(17.31, 32.78, -49.75)
CIE-LCH	lch(17.31, 59.58, 303.38°)
OKLab	oklab(30.13% 0.0157 -0.1438)
OKLCH	oklch(30.13% 0.145 276.2)
XYZ	xyz(4.1705, 2.3678, 16.7569)
Luminance	0.0237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B74 #6E741B

analogous

#1B4174 #211B74 #4D1B74

triadic

#211B74 #74211B #1B7421

tetradic

#211B74 #741B41 #6E741B #1B744D

square

#211B74 #741B41 #6E741B #1B744D

split-complementary

#211B74 #744D1B #41741B

monochromatic

#070619 #130F42 #211B74 #2F27A6 #4339D1

Accessibility & contrast

On white

14.25

#211B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#211B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B74

14.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B74	#FFFFFF	#000000	##FFFFFF
##211B74	1.00	14.25	1.47	14.25
#FFFFFF	14.25	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E77

Deuteranopia (green-blind)

#002772

Tritanopia (blue-blind)

#003446

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #211b74;
/* rgb */ color: rgb(33, 27, 116);
/* oklch */ color: oklch(30.1% 0.145 276.2);

Tailwind

colors: {
  custom: {
    50: '#6a599d',
    500: '#211b74',
    950: '#000000',
  },
}

SCSS

$custom: #211b74;
$custom-light: #6a599d;
$custom-dark: #000000;

JSON

{
  "hex": "#211b74",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 244.045,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.30126,
    "c": 0.14463,
    "h": 276.2
  },
  "luminance": 0.02368
}

Semantic roles & 50–950 ramp

primary

#211B74

secondary

#A2A942

accent

#E542DA

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #211B74

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

Preview Lab → · Contrast checker → · Palette generator →