#3C66BF#3C66BF

#3C66BF is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.147 H 263.3°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3C66BF
RGB	rgb(60, 102, 191)
HSL	hsl(221, 52%, 49%)
HSV	hsv(221, 69%, 75%)
CMYK	cmyk(68.6%, 46.6%, 0%, 25.1%)
CIE-LAB	lab(44.55, 15.17, -51.11)
CIE-LCH	lch(44.55, 53.31, 286.53°)
OKLab	oklab(52.71% -0.0173 -0.1463)
OKLCH	oklch(52.71% 0.147 263.3)
XYZ	xyz(16.0155, 14.2234, 51.1815)
Luminance	0.1422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C66BF #BF953C

analogous

#3CA8BF #3C66BF #533CBF

triadic

#3C66BF #BF3C66 #66BF3C

tetradic

#3C66BF #BF3CA8 #BF953C #3CBF53

square

#3C66BF #BF3CA8 #BF953C #3CBF53

split-complementary

#3C66BF #BF533C #A8BF3C

monochromatic

#1F3462 #2D4D90 #3C66BF #688AD0 #97AEDE

Accessibility & contrast

On white

5.46

#3C66BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3C66BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C66BF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C66BF	#FFFFFF	#000000	##FFFFFF
##3C66BF	1.00	5.46	3.84	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3870C2

Deuteranopia (green-blind)

#1D64BD

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3c66bf;
/* rgb */ color: rgb(60, 102, 191);
/* oklch */ color: oklch(52.7% 0.147 263.3);

Tailwind

colors: {
  custom: {
    50: '#8091d3',
    500: '#3c66bf',
    950: '#000000',
  },
}

SCSS

$custom: #3c66bf;
$custom-light: #8091d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3c66bf",
  "rgb": {
    "r": 60,
    "g": 102,
    "b": 191
  },
  "hsl": {
    "h": 220.763,
    "s": 52.191,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52712,
    "c": 0.14737,
    "h": 263.3
  },
  "luminance": 0.14225
}

Semantic roles & 50–950 ramp

primary

#3C66BF

secondary

#CAB68D

accent

#AE4CDC

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3C66BF

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

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