#3C4ECF#3C4ECF

#3C4ECF is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.2% C 0.198 H 271.0°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#3C4ECF
RGB	rgb(60, 78, 207)
HSL	hsl(233, 60%, 52%)
HSV	hsv(233, 71%, 81%)
CMYK	cmyk(71%, 62.3%, 0%, 18.8%)
CIE-LAB	lab(39.43, 36.26, -68.66)
CIE-LCH	lch(39.43, 77.64, 297.84°)
OKLab	oklab(49.22% 0.0033 -0.1983)
OKLCH	oklch(49.22% 0.198 271)
XYZ	xyz(15.8465, 10.9128, 60.2906)
Luminance	0.1091 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C4ECF #CFBD3C

analogous

#3C98CF #3C4ECF #733CCF

triadic

#3C4ECF #CF3C4E #4ECF3C

tetradic

#3C4ECF #CF3C98 #CFBD3C #3CCF73

square

#3C4ECF #CF3C98 #CFBD3C #3CCF73

split-complementary

#3C4ECF #CF733C #98CF3C

monochromatic

#1D2774 #2938A5 #3C4ECF #6D7BDB #9EA7E7

Accessibility & contrast

On white

6.60

#3C4ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3C4ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C4ECF

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C4ECF	#FFFFFF	#000000	##FFFFFF
##3C4ECF	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D3

Deuteranopia (green-blind)

#0056CD

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3c4ecf;
/* rgb */ color: rgb(60, 78, 207);
/* oklch */ color: oklch(49.2% 0.198 271.0);

Tailwind

colors: {
  custom: {
    50: '#857fdf',
    500: '#3c4ecf',
    950: '#000000',
  },
}

SCSS

$custom: #3c4ecf;
$custom-light: #857fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3c4ecf",
  "rgb": {
    "r": 60,
    "g": 78,
    "b": 207
  },
  "hsl": {
    "h": 232.653,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49224,
    "c": 0.19831,
    "h": 271
  },
  "luminance": 0.10914
}

Semantic roles & 50–950 ramp

primary

#3C4ECF

secondary

#D3CC93

accent

#D044E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3C4ECF

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

Preview Lab → · Contrast checker → · Palette generator →