#2147A4#2147A4

#2147A4 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 43.0% C 0.157 H 264.1°. Best body text is #FFFFFF at 8.39:1 contrast (WCAG AA passes).

Color values

HEX	#2147A4
RGB	rgb(33, 71, 164)
HSL	hsl(223, 66%, 39%)
HSV	hsv(223, 80%, 64%)
CMYK	cmyk(79.9%, 56.7%, 0%, 35.7%)
CIE-LAB	lab(32.94, 21.74, -54.00)
CIE-LCH	lch(32.94, 58.21, 291.93°)
OKLab	oklab(42.97% -0.0162 -0.1558)
OKLCH	oklch(42.97% 0.157 264.1)
XYZ	xyz(9.5789, 7.5090, 36.0593)
Luminance	0.0751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2147A4 #A47E21

analogous

#2188A4 #2147A4 #3C21A4

triadic

#2147A4 #A42147 #47A421

tetradic

#2147A4 #A42188 #A47E21 #21A43C

square

#2147A4 #A42188 #A47E21 #21A43C

split-complementary

#2147A4 #A43C21 #88A421

monochromatic

#0C1B3E #173171 #2147A4 #2D5ED5 #6085DF

Accessibility & contrast

On white

8.39

#2147A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#2147A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2147A4

8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2147A4	#FFFFFF	#000000	##FFFFFF
##2147A4	1.00	8.39	2.50	8.39
#FFFFFF	8.39	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A7

Deuteranopia (green-blind)

#0048A2

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2147a4;
/* rgb */ color: rgb(33, 71, 164);
/* oklch */ color: oklch(43.0% 0.157 264.1);

Tailwind

colors: {
  custom: {
    50: '#7279c0',
    500: '#2147a4',
    950: '#000000',
  },
}

SCSS

$custom: #2147a4;
$custom-light: #7279c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2147a4",
  "rgb": {
    "r": 33,
    "g": 71,
    "b": 164
  },
  "hsl": {
    "h": 222.595,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42971,
    "c": 0.15669,
    "h": 264.1
  },
  "luminance": 0.0751
}

Semantic roles & 50–950 ramp

primary

#2147A4

secondary

#C4A65D

accent

#B83EE9

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2147A4

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

Preview Lab → · Contrast checker → · Palette generator →