#211B5D#211B5D

#211B5D is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.7% C 0.113 H 280.2°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#211B5D
RGB	rgb(33, 27, 93)
HSL	hsl(245, 55%, 24%)
HSV	hsv(245, 71%, 36%)
CMYK	cmyk(64.5%, 71%, 0%, 63.5%)
CIE-LAB	lab(14.94, 24.56, -38.55)
CIE-LCH	lch(14.94, 45.71, 302.50°)
OKLab	oklab(27.71% 0.0199 -0.111)
OKLCH	oklch(27.71% 0.113 280.2)
XYZ	xyz(2.9943, 1.8973, 10.5622)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B5D #575D1B

analogous

#1B365D #211B5D #421B5D

triadic

#211B5D #5D211B #1B5D21

tetradic

#211B5D #5D1B36 #575D1B #1B5D42

square

#211B5D #5D1B36 #575D1B #1B5D42

split-complementary

#211B5D #5D421B #365D1B

monochromatic

#080718 #100D2E #211B5D #32298C #4337BC

Accessibility & contrast

On white

15.22

#211B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#211B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B5D

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B5D	#FFFFFF	#000000	##FFFFFF
##211B5D	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285F

Deuteranopia (green-blind)

#00235C

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #211b5d;
/* rgb */ color: rgb(33, 27, 93);
/* oklch */ color: oklch(27.7% 0.113 280.2);

Tailwind

colors: {
  custom: {
    50: '#64588c',
    500: '#211b5d',
    950: '#000000',
  },
}

SCSS

$custom: #211b5d;
$custom-light: #64588c;
$custom-dark: #000000;

JSON

{
  "hex": "#211b5d",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 245.455,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.27707,
    "c": 0.1128,
    "h": 280.2
  },
  "luminance": 0.01898
}

Semantic roles & 50–950 ramp

primary

#211B5D

secondary

#8B9341

accent

#DE49D1

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #211B5D

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

Preview Lab → · Contrast checker → · Palette generator →