#2143A7#2143A7

#2143A7 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.166 H 265.4°. Best body text is #FFFFFF at 8.66:1 contrast (WCAG AA passes).

Color values

HEX	#2143A7
RGB	rgb(33, 67, 167)
HSL	hsl(225, 67%, 39%)
HSV	hsv(225, 80%, 65%)
CMYK	cmyk(80.2%, 59.9%, 0%, 34.5%)
CIE-LAB	lab(32.09, 25.61, -57.17)
CIE-LCH	lch(32.09, 62.65, 294.13°)
OKLab	oklab(42.41% -0.0134 -0.1652)
OKLCH	oklch(42.41% 0.166 265.4)
XYZ	xyz(9.6069, 7.1265, 37.4210)
Luminance	0.0713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2143A7 #A78521

analogous

#2186A7 #2143A7 #4221A7

triadic

#2143A7 #A72143 #43A721

tetradic

#2143A7 #A72186 #A78521 #21A742

square

#2143A7 #A72186 #A78521 #21A742

split-complementary

#2143A7 #A74221 #86A721

monochromatic

#0D1A41 #172E74 #2143A7 #2F5AD6 #6282E0

Accessibility & contrast

On white

8.66

#2143A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2143A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2143A7

8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2143A7	#FFFFFF	#000000	##FFFFFF
##2143A7	1.00	8.66	2.43	8.66
#FFFFFF	8.66	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052AA

Deuteranopia (green-blind)

#0045A5

Tritanopia (blue-blind)

#005C6E

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #2143a7;
/* rgb */ color: rgb(33, 67, 167);
/* oklch */ color: oklch(42.4% 0.166 265.4);

Tailwind

colors: {
  custom: {
    50: '#7376c2',
    500: '#2143a7',
    950: '#000000',
  },
}

SCSS

$custom: #2143a7;
$custom-light: #7376c2;
$custom-dark: #000000;

JSON

{
  "hex": "#2143a7",
  "rgb": {
    "r": 33,
    "g": 67,
    "b": 167
  },
  "hsl": {
    "h": 224.776,
    "s": 67,
    "l": 39.216
  },
  "oklch": {
    "l": 0.42412,
    "c": 0.16579,
    "h": 265.4
  },
  "luminance": 0.07128
}

Semantic roles & 50–950 ramp

primary

#2143A7

secondary

#C5AB5F

accent

#BE3EEA

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #2143A7

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

Preview Lab → · Contrast checker → · Palette generator →