#211B7B#211B7B

#211B7B is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.9% C 0.154 H 275.3°. Best body text is #FFFFFF at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#211B7B
RGB	rgb(33, 27, 123)
HSL	hsl(244, 64%, 29%)
HSV	hsv(244, 78%, 48%)
CMYK	cmyk(73.2%, 78%, 0%, 51.8%)
CIE-LAB	lab(18.08, 35.21, -52.96)
CIE-LCH	lch(18.08, 63.60, 303.61°)
OKLab	oklab(30.9% 0.0142 -0.1531)
OKLCH	oklch(30.9% 0.154 275.3)
XYZ	xyz(4.5931, 2.5368, 18.9826)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B7B #757B1B

analogous

#1B457B #211B7B #511B7B

triadic

#211B7B #7B211B #1B7B21

tetradic

#211B7B #7B1B45 #757B1B #1B7B51

square

#211B7B #7B1B45 #757B1B #1B7B51

split-complementary

#211B7B #7B511B #457B1B

monochromatic

#070619 #141049 #211B7B #2E26AD #463CD4

Accessibility & contrast

On white

13.93

#211B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#211B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B7B

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B7B	#FFFFFF	#000000	##FFFFFF
##211B7B	1.00	13.93	1.51	13.93
#FFFFFF	13.93	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00307E

Deuteranopia (green-blind)

#002879

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #211b7b;
/* rgb */ color: rgb(33, 27, 123);
/* oklch */ color: oklch(30.9% 0.154 275.3);

Tailwind

colors: {
  custom: {
    50: '#6c59a2',
    500: '#211b7b',
    950: '#000000',
  },
}

SCSS

$custom: #211b7b;
$custom-light: #6c59a2;
$custom-dark: #000000;

JSON

{
  "hex": "#211b7b",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 243.75,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30905,
    "c": 0.15379,
    "h": 275.3
  },
  "luminance": 0.02537
}

Semantic roles & 50–950 ramp

primary

#211B7B

secondary

#A8AF43

accent

#E741DD

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#08030F

muted

#7A787F

Preview Lab

Preview with #211B7B

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

Preview Lab → · Contrast checker → · Palette generator →