#2143A2#2143A2

#2143A2 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.159 H 265.1°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#2143A2
RGB	rgb(33, 67, 162)
HSL	hsl(224, 66%, 38%)
HSV	hsv(224, 80%, 64%)
CMYK	cmyk(79.6%, 58.6%, 0%, 36.5%)
CIE-LAB	lab(31.68, 23.66, -54.84)
CIE-LCH	lch(31.68, 59.72, 293.34°)
OKLab	oklab(41.98% -0.0135 -0.1584)
OKLCH	oklch(41.98% 0.159 265.1)
XYZ	xyz(9.1536, 6.9452, 35.0335)
Luminance	0.0695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2143A2 #A28021

analogous

#2183A2 #2143A2 #3F21A2

triadic

#2143A2 #A22143 #43A221

tetradic

#2143A2 #A22183 #A28021 #21A23F

square

#2143A2 #A22183 #A28021 #21A23F

split-complementary

#2143A2 #A23F21 #83A221

monochromatic

#0C193C #172E6F #2143A2 #2C58D4 #5F81DE

Accessibility & contrast

On white

8.79

#2143A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#2143A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2143A2

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2143A2	#FFFFFF	#000000	##FFFFFF
##2143A2	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A5

Deuteranopia (green-blind)

#0045A0

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2143a2;
/* rgb */ color: rgb(33, 67, 162);
/* oklch */ color: oklch(42.0% 0.159 265.1);

Tailwind

colors: {
  custom: {
    50: '#7276be',
    500: '#2143a2',
    950: '#000000',
  },
}

SCSS

$custom: #2143a2;
$custom-light: #7276be;
$custom-dark: #000000;

JSON

{
  "hex": "#2143a2",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 162
  },
  "hsl": {
    "h": 224.186,
    "s": 66.154,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41976,
    "c": 0.15898,
    "h": 265.1
  },
  "luminance": 0.06946
}

Semantic roles & 50–950 ramp

primary

#2143A2

secondary

#C3A85C

accent

#BC3FE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2143A2

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

Preview Lab → · Contrast checker → · Palette generator →