#3451C4#3451C4

#3451C4 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.4% C 0.182 H 268.0°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3451C4
RGB	rgb(52, 81, 196)
HSL	hsl(228, 58%, 49%)
HSV	hsv(228, 73%, 77%)
CMYK	cmyk(73.5%, 58.7%, 0%, 23.1%)
CIE-LAB	lab(38.90, 29.43, -63.18)
CIE-LCH	lch(38.90, 69.69, 294.98°)
OKLab	oklab(48.44% -0.0063 -0.1823)
OKLCH	oklch(48.44% 0.182 268)
XYZ	xyz(14.3190, 10.5989, 53.5050)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3451C4 #C4A734

analogous

#3499C4 #3451C4 #5F34C4

triadic

#3451C4 #C43451 #51C434

tetradic

#3451C4 #C43499 #C4A734 #34C45F

square

#3451C4 #C43499 #C4A734 #34C45F

split-complementary

#3451C4 #C45F34 #99C434

monochromatic

#1A2963 #273D94 #3451C4 #6078D5 #91A1E2

Accessibility & contrast

On white

6.73

#3451C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3451C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3451C4

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3451C4	#FFFFFF	#000000	##FFFFFF
##3451C4	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C8

Deuteranopia (green-blind)

#0055C2

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3451c4;
/* rgb */ color: rgb(52, 81, 196);
/* oklch */ color: oklch(48.4% 0.182 268.0);

Tailwind

colors: {
  custom: {
    50: '#7f81d7',
    500: '#3451c4',
    950: '#000000',
  },
}

SCSS

$custom: #3451c4;
$custom-light: #7f81d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3451c4",
  "rgb": {
    "r": 52,
    "g": 81,
    "b": 196
  },
  "hsl": {
    "h": 227.917,
    "s": 58.065,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48443,
    "c": 0.18243,
    "h": 268
  },
  "luminance": 0.106
}

Semantic roles & 50–950 ramp

primary

#3451C4

secondary

#CCBF87

accent

#C247E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3451C4

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

Preview Lab → · Contrast checker → · Palette generator →