#2143A1#2143A1

#2143A1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.9% C 0.158 H 265.0°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#2143A1
RGB	rgb(33, 67, 161)
HSL	hsl(224, 66%, 38%)
HSV	hsv(224, 80%, 63%)
CMYK	cmyk(79.5%, 58.4%, 0%, 36.9%)
CIE-LAB	lab(31.60, 23.27, -54.37)
CIE-LCH	lch(31.60, 59.14, 293.17°)
OKLab	oklab(41.89% -0.0136 -0.157)
OKLCH	oklch(41.89% 0.158 265)
XYZ	xyz(9.0651, 6.9098, 34.5673)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2143A1 #A17F21

analogous

#2183A1 #2143A1 #3F21A1

triadic

#2143A1 #A12143 #43A121

tetradic

#2143A1 #A12183 #A17F21 #21A13F

square

#2143A1 #A12183 #A17F21 #21A13F

split-complementary

#2143A1 #A13F21 #83A121

monochromatic

#0C193B #172E6E #2143A1 #2C58D4 #5E80DE

Accessibility & contrast

On white

8.82

#2143A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2143A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2143A1

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2143A1	#FFFFFF	#000000	##FFFFFF
##2143A1	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A4

Deuteranopia (green-blind)

#00459F

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2143a1;
/* rgb */ color: rgb(33, 67, 161);
/* oklch */ color: oklch(41.9% 0.158 265.0);

Tailwind

colors: {
  custom: {
    50: '#7276be',
    500: '#2143a1',
    950: '#000000',
  },
}

SCSS

$custom: #2143a1;
$custom-light: #7276be;
$custom-dark: #000000;

JSON

{
  "hex": "#2143a1",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 161
  },
  "hsl": {
    "h": 224.063,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.4189,
    "c": 0.1576,
    "h": 265
  },
  "luminance": 0.06911
}

Semantic roles & 50–950 ramp

primary

#2143A1

secondary

#C3A75B

accent

#BC3FE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2143A1

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

Preview Lab → · Contrast checker → · Palette generator →