#211B7D#211B7D

#211B7D is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.1% C 0.156 H 275.0°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#211B7D
RGB	rgb(33, 27, 125)
HSL	hsl(244, 64%, 30%)
HSV	hsv(244, 78%, 49%)
CMYK	cmyk(73.6%, 78.4%, 0%, 51%)
CIE-LAB	lab(18.31, 35.89, -53.87)
CIE-LCH	lch(18.31, 64.73, 303.68°)
OKLab	oklab(31.13% 0.0137 -0.1558)
OKLCH	oklch(31.13% 0.156 275)
XYZ	xyz(4.7196, 2.5874, 19.6488)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B7D #777D1B

analogous

#1B467D #211B7D #521B7D

triadic

#211B7D #7D211B #1B7D21

tetradic

#211B7D #7D1B46 #777D1B #1B7D52

square

#211B7D #7D1B46 #777D1B #1B7D52

split-complementary

#211B7D #7D521B #467D1B

monochromatic

#070519 #14104B #211B7D #2E26AF #473DD5

Accessibility & contrast

On white

13.84

#211B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#211B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B7D

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B7D	#FFFFFF	#000000	##FFFFFF
##211B7D	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003180

Deuteranopia (green-blind)

#00287B

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #211b7d;
/* rgb */ color: rgb(33, 27, 125);
/* oklch */ color: oklch(31.1% 0.156 275.0);

Tailwind

colors: {
  custom: {
    50: '#6c59a4',
    500: '#211b7d',
    950: '#000000',
  },
}

SCSS

$custom: #211b7d;
$custom-light: #6c59a4;
$custom-dark: #000000;

JSON

{
  "hex": "#211b7d",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 243.673,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31131,
    "c": 0.15636,
    "h": 275
  },
  "luminance": 0.02588
}

Semantic roles & 50–950 ramp

primary

#211B7D

secondary

#AAB143

accent

#E740DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #211B7D

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

Preview Lab → · Contrast checker → · Palette generator →