#2C3FA4#2C3FA4

#2C3FA4 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.9% C 0.164 H 269.7°. Best body text is #FFFFFF at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#2C3FA4
RGB	rgb(44, 63, 164)
HSL	hsl(231, 58%, 41%)
HSV	hsv(231, 73%, 64%)
CMYK	cmyk(73.2%, 61.6%, 0%, 35.7%)
CIE-LAB	lab(31.28, 28.38, -56.68)
CIE-LCH	lch(31.28, 63.39, 296.60°)
OKLab	oklab(41.86% -0.001 -0.1636)
OKLCH	oklch(41.86% 0.164 269.7)
XYZ	xyz(9.5148, 6.7698, 35.9200)
Luminance	0.0677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2C3FA4 #A4912C

analogous

#2C7BA4 #2C3FA4 #552CA4

triadic

#2C3FA4 #A42C3F #3FA42C

tetradic

#2C3FA4 #A42C7B #A4912C #2CA455

square

#2C3FA4 #A42C7B #A4912C #2CA455

split-complementary

#2C3FA4 #A4552C #7BA42C

monochromatic

#121A43 #1F2C74 #2C3FA4 #4157CC #7182D9

Accessibility & contrast

On white

8.92

#2C3FA4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#2C3FA4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2C3FA4

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2C3FA4	#FFFFFF	#000000	##FFFFFF
##2C3FA4	1.00	8.92	2.35	8.92
#FFFFFF	8.92	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FA7

Deuteranopia (green-blind)

#0044A2

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #2c3fa4;
/* rgb */ color: rgb(44, 63, 164);
/* oklch */ color: oklch(41.9% 0.164 269.7);

Tailwind

colors: {
  custom: {
    50: '#7673c0',
    500: '#2c3fa4',
    950: '#000000',
  },
}

SCSS

$custom: #2c3fa4;
$custom-light: #7673c0;
$custom-dark: #000000;

JSON

{
  "hex": "#2c3fa4",
  "rgb": {
    "r": 44,
    "g": 63,
    "b": 164
  },
  "hsl": {
    "h": 230.5,
    "s": 57.692,
    "l": 40.784
  },
  "oklch": {
    "l": 0.41861,
    "c": 0.16365,
    "h": 269.7
  },
  "luminance": 0.06771
}

Semantic roles & 50–950 ramp

primary

#2C3FA4

secondary

#C0B36B

accent

#C947E1

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2C3FA4

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

Preview Lab → · Contrast checker → · Palette generator →