#211B71#211B71

#211B71 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.8% C 0.141 H 276.7°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#211B71
RGB	rgb(33, 27, 113)
HSL	hsl(244, 61%, 27%)
HSV	hsv(244, 76%, 44%)
CMYK	cmyk(70.8%, 76.1%, 0%, 55.7%)
CIE-LAB	lab(16.98, 31.73, -48.34)
CIE-LCH	lch(16.98, 57.83, 303.27°)
OKLab	oklab(29.8% 0.0164 -0.1397)
OKLCH	oklch(29.8% 0.141 276.7)
XYZ	xyz(3.9988, 2.2991, 15.8526)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B71 #6B711B

analogous

#1B4071 #211B71 #4C1B71

triadic

#211B71 #71211B #1B7121

tetradic

#211B71 #711B40 #6B711B #1B714C

square

#211B71 #711B40 #6B711B #1B714C

split-complementary

#211B71 #714C1B #40711B

monochromatic

#070619 #130F40 #211B71 #2F27A2 #4237CF

Accessibility & contrast

On white

14.39

#211B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#211B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B71

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B71	#FFFFFF	#000000	##FFFFFF
##211B71	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00266F

Tritanopia (blue-blind)

#003344

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #211b71;
/* rgb */ color: rgb(33, 27, 113);
/* oklch */ color: oklch(29.8% 0.141 276.7);

Tailwind

colors: {
  custom: {
    50: '#69599b',
    500: '#211b71',
    950: '#000000',
  },
}

SCSS

$custom: #211b71;
$custom-light: #69599b;
$custom-dark: #000000;

JSON

{
  "hex": "#211b71",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 113
  },
  "hsl": {
    "h": 244.186,
    "s": 61.429,
    "l": 27.451
  },
  "oklch": {
    "l": 0.29797,
    "c": 0.14064,
    "h": 276.7
  },
  "luminance": 0.02299
}

Semantic roles & 50–950 ramp

primary

#211B71

secondary

#9FA642

accent

#E543D9

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #211B71

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

Preview Lab → · Contrast checker → · Palette generator →