#2129AD#2129AD

#2129AD is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 38.5% C 0.203 H 269.6°. Best body text is #FFFFFF at 10.58:1 contrast (WCAG AA passes).

Color values

HEX	#2129AD
RGB	rgb(33, 41, 173)
HSL	hsl(237, 68%, 40%)
HSV	hsv(237, 81%, 68%)
CMYK	cmyk(80.9%, 76.3%, 0%, 32.2%)
CIE-LAB	lab(26.52, 44.28, -69.93)
CIE-LCH	lch(26.52, 82.78, 302.34°)
OKLab	oklab(38.53% -0.0013 -0.2026)
OKLCH	oklch(38.53% 0.203 269.6)
XYZ	xyz(8.9604, 4.9253, 40.0055)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2129AD #ADA521

analogous

#216FAD #2129AD #5F21AD

triadic

#2129AD #AD2129 #29AD21

tetradic

#2129AD #AD216F #ADA521 #21AD5F

square

#2129AD #AD216F #ADA521 #21AD5F

split-complementary

#2129AD #AD5F21 #6FAD21

monochromatic

#0D1146 #171D7A #2129AD #333DD8 #666EE2

Accessibility & contrast

On white

10.58

#2129AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#2129AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2129AD

10.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2129AD	#FFFFFF	#000000	##FFFFFF
##2129AD	1.00	10.58	1.99	10.58
#FFFFFF	10.58	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046B1

Deuteranopia (green-blind)

#0038AB

Tritanopia (blue-blind)

#005069

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #2129ad;
/* rgb */ color: rgb(33, 41, 173);
/* oklch */ color: oklch(38.5% 0.203 269.6);

Tailwind

colors: {
  custom: {
    50: '#7764c7',
    500: '#2129ad',
    950: '#000000',
  },
}

SCSS

$custom: #2129ad;
$custom-light: #7764c7;
$custom-dark: #000000;

JSON

{
  "hex": "#2129ad",
  "rgb": {
    "r": 33,
    "g": 41,
    "b": 173
  },
  "hsl": {
    "h": 236.571,
    "s": 67.961,
    "l": 40.392
  },
  "oklch": {
    "l": 0.38525,
    "c": 0.20259,
    "h": 269.6
  },
  "luminance": 0.04926
}

Semantic roles & 50–950 ramp

primary

#2129AD

secondary

#C7C262

accent

#E13DEB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #2129AD

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

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