#3451C5#3451C5

#3451C5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.184 H 268.0°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3451C5
RGB	rgb(52, 81, 197)
HSL	hsl(228, 58%, 49%)
HSV	hsv(228, 74%, 77%)
CMYK	cmyk(73.6%, 58.9%, 0%, 22.7%)
CIE-LAB	lab(38.98, 29.79, -63.63)
CIE-LCH	lch(38.98, 70.26, 295.09°)
OKLab	oklab(48.53% -0.0063 -0.1836)
OKLCH	oklch(48.53% 0.184 268)
XYZ	xyz(14.4332, 10.6446, 54.1065)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3451C5 #C5A834

analogous

#349AC5 #3451C5 #6034C5

triadic

#3451C5 #C53451 #51C534

tetradic

#3451C5 #C5349A #C5A834 #34C560

square

#3451C5 #C5349A #C5A834 #34C560

split-complementary

#3451C5 #C56034 #9AC534

monochromatic

#1A2964 #273D95 #3451C5 #6178D5 #91A1E2

Accessibility & contrast

On white

6.71

#3451C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#3451C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3451C5

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3451C5	#FFFFFF	#000000	##FFFFFF
##3451C5	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3451c5;
/* rgb */ color: rgb(52, 81, 197);
/* oklch */ color: oklch(48.5% 0.184 268.0);

Tailwind

colors: {
  custom: {
    50: '#8081d7',
    500: '#3451c5',
    950: '#000000',
  },
}

SCSS

$custom: #3451c5;
$custom-light: #8081d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3451c5",
  "rgb": {
    "r": 52,
    "g": 81,
    "b": 197
  },
  "hsl": {
    "h": 228,
    "s": 58.233,
    "l": 48.824
  },
  "oklch": {
    "l": 0.48526,
    "c": 0.18376,
    "h": 268
  },
  "luminance": 0.10646
}

Semantic roles & 50–950 ramp

primary

#3451C5

secondary

#CDBF88

accent

#C246E1

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3451C5

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

Preview Lab → · Contrast checker → · Palette generator →