#2C43B1#2C43B1

#2C43B1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.176 H 268.7°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#2C43B1
RGB	rgb(44, 67, 177)
HSL	hsl(230, 60%, 43%)
HSV	hsv(230, 75%, 69%)
CMYK	cmyk(75.1%, 62.1%, 0%, 30.6%)
CIE-LAB	lab(33.40, 30.58, -60.99)
CIE-LCH	lch(33.40, 68.23, 296.63°)
OKLab	oklab(43.77% -0.004 -0.1762)
OKLCH	oklch(43.77% 0.176 268.7)
XYZ	xyz(10.9789, 7.7229, 42.4985)
Luminance	0.0772 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C43B1 #B19A2C

analogous

#2C85B1 #2C43B1 #572CB1

triadic

#2C43B1 #B12C43 #43B12C

tetradic

#2C43B1 #B12C85 #B19A2C #2CB157

square

#2C43B1 #B12C85 #B19A2C #2CB157

split-complementary

#2C43B1 #B1572C #85B12C

monochromatic

#141E4F #203080 #2C43B1 #4960D2 #7A8BDE

Accessibility & contrast

On white

8.25

#2C43B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#2C43B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C43B1

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C43B1	#FFFFFF	#000000	##FFFFFF
##2C43B1	1.00	8.25	2.54	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #2c43b1;
/* rgb */ color: rgb(44, 67, 177);
/* oklch */ color: oklch(43.8% 0.176 268.7);

Tailwind

colors: {
  custom: {
    50: '#7977c9',
    500: '#2c43b1',
    950: '#000000',
  },
}

SCSS

$custom: #2c43b1;
$custom-light: #7977c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2c43b1",
  "rgb": {
    "r": 44,
    "g": 67,
    "b": 177
  },
  "hsl": {
    "h": 229.624,
    "s": 60.181,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43773,
    "c": 0.17629,
    "h": 268.7
  },
  "luminance": 0.07724
}

Semantic roles & 50–950 ramp

primary

#2C43B1

secondary

#C6B873

accent

#C844E3

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2C43B1

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

Preview Lab → · Contrast checker → · Palette generator →