#2C43B5#2C43B5

#2C43B5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.182 H 268.7°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#2C43B5
RGB	rgb(44, 67, 181)
HSL	hsl(230, 61%, 44%)
HSV	hsv(230, 76%, 71%)
CMYK	cmyk(75.7%, 63%, 0%, 29%)
CIE-LAB	lab(33.74, 32.06, -62.80)
CIE-LCH	lch(33.74, 70.51, 297.04°)
OKLab	oklab(44.13% -0.004 -0.1816)
OKLCH	oklch(44.13% 0.182 268.7)
XYZ	xyz(11.3835, 7.8847, 44.6291)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C43B5 #B59E2C

analogous

#2C88B5 #2C43B5 #5A2CB5

triadic

#2C43B5 #B52C43 #43B52C

tetradic

#2C43B5 #B52C88 #B59E2C #2CB55A

square

#2C43B5 #B52C88 #B59E2C #2CB55A

split-complementary

#2C43B5 #B55A2C #88B52C

monochromatic

#141F53 #203184 #2C43B5 #4B62D3 #7C8DDF

Accessibility & contrast

On white

8.15

#2C43B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#2C43B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C43B5

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C43B5	#FFFFFF	#000000	##FFFFFF
##2C43B5	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B9

Deuteranopia (green-blind)

#0049B3

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2c43b5;
/* rgb */ color: rgb(44, 67, 181);
/* oklch */ color: oklch(44.1% 0.182 268.7);

Tailwind

colors: {
  custom: {
    50: '#7a77cc',
    500: '#2c43b5',
    950: '#000000',
  },
}

SCSS

$custom: #2c43b5;
$custom-light: #7a77cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2c43b5",
  "rgb": {
    "r": 44,
    "g": 67,
    "b": 181
  },
  "hsl": {
    "h": 229.927,
    "s": 60.889,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44132,
    "c": 0.1816,
    "h": 268.7
  },
  "luminance": 0.07886
}

Semantic roles & 50–950 ramp

primary

#2C43B5

secondary

#C8BA75

accent

#C944E4

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C43B5

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

Preview Lab → · Contrast checker → · Palette generator →