#2143A0#2143A0

#2143A0 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.156 H 265.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#2143A0
RGB	rgb(33, 67, 160)
HSL	hsl(224, 66%, 38%)
HSV	hsv(224, 79%, 63%)
CMYK	cmyk(79.4%, 58.1%, 0%, 37.3%)
CIE-LAB	lab(31.52, 22.88, -53.89)
CIE-LCH	lch(31.52, 58.55, 293.00°)
OKLab	oklab(41.8% -0.0136 -0.1556)
OKLCH	oklch(41.8% 0.156 265)
XYZ	xyz(8.9773, 6.8747, 34.1047)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2143A0 #A07E21

analogous

#2182A0 #2143A0 #3E21A0

triadic

#2143A0 #A02143 #43A021

tetradic

#2143A0 #A02182 #A07E21 #21A03E

square

#2143A0 #A02182 #A07E21 #21A03E

split-complementary

#2143A0 #A03E21 #82A021

monochromatic

#0C193B #172E6D #2143A0 #2B58D3 #5E80DE

Accessibility & contrast

On white

8.84

#2143A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#2143A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2143A0

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2143A0	#FFFFFF	#000000	##FFFFFF
##2143A0	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A3

Deuteranopia (green-blind)

#00459E

Tritanopia (blue-blind)

#005A6B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2143a0;
/* rgb */ color: rgb(33, 67, 160);
/* oklch */ color: oklch(41.8% 0.156 265.0);

Tailwind

colors: {
  custom: {
    50: '#7176bd',
    500: '#2143a0',
    950: '#000000',
  },
}

SCSS

$custom: #2143a0;
$custom-light: #7176bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2143a0",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 160
  },
  "hsl": {
    "h": 223.937,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.41804,
    "c": 0.15623,
    "h": 265
  },
  "luminance": 0.06876
}

Semantic roles & 50–950 ramp

primary

#2143A0

secondary

#C2A65B

accent

#BB3FE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2143A0

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

Preview Lab → · Contrast checker → · Palette generator →