#211B5F#211B5F

#211B5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.9% C 0.116 H 279.8°. Best body text is #FFFFFF at 15.14:1 contrast (WCAG AA passes).

Color values

HEX	#211B5F
RGB	rgb(33, 27, 95)
HSL	hsl(245, 56%, 24%)
HSV	hsv(245, 72%, 37%)
CMYK	cmyk(65.3%, 71.6%, 0%, 62.7%)
CIE-LAB	lab(15.13, 25.28, -39.57)
CIE-LCH	lch(15.13, 46.96, 302.58°)
OKLab	oklab(27.91% 0.0196 -0.114)
OKLCH	oklch(27.91% 0.116 279.8)
XYZ	xyz(3.0840, 1.9332, 11.0349)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#211B5F #595F1B

analogous

#1B375F #211B5F #431B5F

triadic

#211B5F #5F211B #1B5F21

tetradic

#211B5F #5F1B37 #595F1B #1B5F43

square

#211B5F #5F1B37 #595F1B #1B5F43

split-complementary

#211B5F #5F431B #375F1B

monochromatic

#080718 #100D2F #211B5F #32298F #4236BE

Accessibility & contrast

On white

15.14

#211B5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#211B5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #211B5F

15.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##211B5F	#FFFFFF	#000000	##FFFFFF
##211B5F	1.00	15.14	1.39	15.14
#FFFFFF	15.14	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00235E

Tritanopia (blue-blind)

#002D3A

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #211b5f;
/* rgb */ color: rgb(33, 27, 95);
/* oklch */ color: oklch(27.9% 0.116 279.8);

Tailwind

colors: {
  custom: {
    50: '#65588d',
    500: '#211b5f',
    950: '#000000',
  },
}

SCSS

$custom: #211b5f;
$custom-light: #65588d;
$custom-dark: #000000;

JSON

{
  "hex": "#211b5f",
  "rgb": {
    "r": 33,
    "g": 27,
    "b": 95
  },
  "hsl": {
    "h": 245.294,
    "s": 55.738,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27907,
    "c": 0.11569,
    "h": 279.8
  },
  "luminance": 0.01933
}

Semantic roles & 50–950 ramp

primary

#211B5F

secondary

#8D9541

accent

#DF49D2

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#06030C

muted

#7A787D

Preview Lab

Preview with #211B5F

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

Preview Lab → · Contrast checker → · Palette generator →