#211B7C#211B7C

#211B7C is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.0% C 0.155 H 275.2°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#211B7C
RGB	rgb(33, 27, 124)
HSL	hsl(244, 64%, 30%)
HSV	hsv(244, 78%, 49%)
CMYK	cmyk(73.4%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(18.20, 35.55, -53.41)
CIE-LCH	lch(18.20, 64.16, 303.64°)
OKLab	oklab(31.02% 0.014 -0.1544)
OKLCH	oklch(31.02% 0.155 275.2)
XYZ	xyz(4.6560, 2.5620, 19.3140)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B7C #767C1B

analogous

#1B467C #211B7C #511B7C

triadic

#211B7C #7C211B #1B7C21

tetradic

#211B7C #7C1B46 #767C1B #1B7C51

square

#211B7C #7C1B46 #767C1B #1B7C51

split-complementary

#211B7C #7C511B #467C1B

monochromatic

#070519 #14104A #211B7C #2E26AE #463DD5

Accessibility & contrast

On white

13.89

#211B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#211B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B7C

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B7C	#FFFFFF	#000000	##FFFFFF
##211B7C	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#00287A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #211b7c;
/* rgb */ color: rgb(33, 27, 124);
/* oklch */ color: oklch(31.0% 0.155 275.2);

Tailwind

colors: {
  custom: {
    50: '#6c59a3',
    500: '#211b7c',
    950: '#000000',
  },
}

SCSS

$custom: #211b7c;
$custom-light: #6c59a3;
$custom-dark: #000000;

JSON

{
  "hex": "#211b7c",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 243.711,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31018,
    "c": 0.15508,
    "h": 275.2
  },
  "luminance": 0.02562
}

Semantic roles & 50–950 ramp

primary

#211B7C

secondary

#A9B043

accent

#E741DD

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #211B7C

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

Preview Lab → · Contrast checker → · Palette generator →