#2121BD#2121BD

#2121BD is a dark, highly saturated blue. Relative luminance 0.051; OKLCH L 39.4% C 0.228 H 269.4°. Best body text is #FFFFFF at 10.41:1 contrast (WCAG AA passes).

Color values

HEX	#2121BD
RGB	rgb(33, 33, 189)
HSL	hsl(240, 70%, 44%)
HSV	hsv(240, 83%, 74%)
CMYK	cmyk(82.5%, 82.5%, 0%, 25.9%)
CIE-LAB	lab(26.97, 53.56, -78.72)
CIE-LCH	lch(26.97, 95.22, 304.23°)
OKLab	oklab(39.38% -0.0023 -0.2279)
OKLCH	oklch(39.38% 0.228 269.4)
XYZ	xyz(10.3532, 5.0839, 48.5699)
Luminance	0.0508 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2121BD #BDBD21

analogous

#216FBD #2121BD #6F21BD

triadic

#2121BD #BD2121 #21BD21

tetradic

#2121BD #BD216F #BDBD21 #21BD6F

square

#2121BD #BD216F #BDBD21 #21BD6F

split-complementary

#2121BD #BD6F21 #6FBD21

monochromatic

#0F0F55 #181889 #2121BD #3E3EDD #7272E6

Accessibility & contrast

On white

10.41

#2121BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#2121BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2121BD

10.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2121BD	#FFFFFF	#000000	##FFFFFF
##2121BD	1.00	10.41	2.02	10.41
#FFFFFF	10.41	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048C1

Deuteranopia (green-blind)

#0037BA

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #2121bd;
/* rgb */ color: rgb(33, 33, 189);
/* oklch */ color: oklch(39.4% 0.228 269.4);

Tailwind

colors: {
  custom: {
    50: '#7c61d2',
    500: '#2121bd',
    950: '#000000',
  },
}

SCSS

$custom: #2121bd;
$custom-light: #7c61d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2121bd",
  "rgb": {
    "r": 33,
    "g": 33,
    "b": 189
  },
  "hsl": {
    "h": 240,
    "s": 70.27,
    "l": 43.529
  },
  "oklch": {
    "l": 0.39382,
    "c": 0.22793,
    "h": 269.4
  },
  "luminance": 0.05085
}

Semantic roles & 50–950 ramp

primary

#2121BD

secondary

#CDCD6D

accent

#ED3BED

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #2121BD

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

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