#3C4DCF#3C4DCF

#3C4DCF is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.0% C 0.199 H 271.1°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3C4DCF
RGB	rgb(60, 77, 207)
HSL	hsl(233, 60%, 52%)
HSV	hsv(233, 71%, 81%)
CMYK	cmyk(71%, 62.8%, 0%, 18.8%)
CIE-LAB	lab(39.19, 36.88, -69.05)
CIE-LCH	lch(39.19, 78.28, 298.11°)
OKLab	oklab(49.05% 0.004 -0.1994)
OKLCH	oklch(49.05% 0.199 271.1)
XYZ	xyz(15.7760, 10.7718, 60.2671)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C4DCF #CFBE3C

analogous

#3C97CF #3C4DCF #743CCF

triadic

#3C4DCF #CF3C4D #4DCF3C

tetradic

#3C4DCF #CF3C97 #CFBE3C #3CCF74

square

#3C4DCF #CF3C97 #CFBE3C #3CCF74

split-complementary

#3C4DCF #CF743C #97CF3C

monochromatic

#1D2774 #2937A5 #3C4DCF #6D7ADB #9EA7E7

Accessibility & contrast

On white

6.66

#3C4DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3C4DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C4DCF

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C4DCF	#FFFFFF	#000000	##FFFFFF
##3C4DCF	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D3

Deuteranopia (green-blind)

#0056CD

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3c4dcf;
/* rgb */ color: rgb(60, 77, 207);
/* oklch */ color: oklch(49.0% 0.199 271.1);

Tailwind

colors: {
  custom: {
    50: '#857fdf',
    500: '#3c4dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3c4dcf;
$custom-light: #857fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c4dcf",
  "rgb": {
    "r": 60,
    "g": 77,
    "b": 207
  },
  "hsl": {
    "h": 233.061,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49048,
    "c": 0.19947,
    "h": 271.1
  },
  "luminance": 0.10773
}

Semantic roles & 50–950 ramp

primary

#3C4DCF

secondary

#D3CC93

accent

#D144E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3C4DCF

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

Preview Lab → · Contrast checker → · Palette generator →