#2147A1#2147A1

#2147A1 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.7% C 0.153 H 263.8°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2147A1
RGB	rgb(33, 71, 161)
HSL	hsl(222, 66%, 38%)
HSV	hsv(222, 80%, 63%)
CMYK	cmyk(79.5%, 55.9%, 0%, 36.9%)
CIE-LAB	lab(32.70, 20.56, -52.57)
CIE-LCH	lch(32.70, 56.45, 291.36°)
OKLab	oklab(42.72% -0.0164 -0.1517)
OKLCH	oklch(42.72% 0.153 263.8)
XYZ	xyz(9.3112, 7.4019, 34.6493)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2147A1 #A17B21

analogous

#2187A1 #2147A1 #3B21A1

triadic

#2147A1 #A12147 #47A121

tetradic

#2147A1 #A12187 #A17B21 #21A13B

square

#2147A1 #A12187 #A17B21 #21A13B

split-complementary

#2147A1 #A13B21 #87A121

monochromatic

#0C1A3B #17316E #2147A1 #2C5DD4 #5E84DE

Accessibility & contrast

On white

8.47

#2147A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2147A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2147A1

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2147A1	#FFFFFF	#000000	##FFFFFF
##2147A1	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A4

Deuteranopia (green-blind)

#00479F

Tritanopia (blue-blind)

#005D6D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2147a1;
/* rgb */ color: rgb(33, 71, 161);
/* oklch */ color: oklch(42.7% 0.153 263.8);

Tailwind

colors: {
  custom: {
    50: '#7179be',
    500: '#2147a1',
    950: '#000000',
  },
}

SCSS

$custom: #2147a1;
$custom-light: #7179be;
$custom-dark: #000000;

JSON

{
  "hex": "#2147a1",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 161
  },
  "hsl": {
    "h": 222.188,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.42721,
    "c": 0.15256,
    "h": 263.8
  },
  "luminance": 0.07403
}

Semantic roles & 50–950 ramp

primary

#2147A1

secondary

#C3A45B

accent

#B63FE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2147A1

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

Preview Lab → · Contrast checker → · Palette generator →