#3C65CB#3C65CB

#3C65CB is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.165 H 264.9°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3C65CB
RGB	rgb(60, 101, 203)
HSL	hsl(223, 58%, 52%)
HSV	hsv(223, 70%, 80%)
CMYK	cmyk(70.4%, 50.2%, 0%, 20.4%)
CIE-LAB	lab(45.05, 20.17, -57.23)
CIE-LCH	lch(45.05, 60.68, 289.42°)
OKLab	oklab(53.34% -0.0148 -0.1644)
OKLCH	oklch(53.34% 0.165 264.9)
XYZ	xyz(17.2929, 14.5780, 58.3908)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C65CB #CBA23C

analogous

#3CADCB #3C65CB #5B3CCB

triadic

#3C65CB #CB3C65 #65CB3C

tetradic

#3C65CB #CB3CAD #CBA23C #3CCB5B

square

#3C65CB #CB3CAD #CBA23C #3CCB5B

split-complementary

#3C65CB #CB5B3C #ADCB3C

monochromatic

#1E356F #2A4C9F #3C65CB #6C8BD8 #9DB1E5

Accessibility & contrast

On white

5.36

#3C65CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3C65CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C65CB

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C65CB	#FFFFFF	#000000	##FFFFFF
##3C65CB	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2872CF

Deuteranopia (green-blind)

#0064C9

Tritanopia (blue-blind)

#007D8E

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3c65cb;
/* rgb */ color: rgb(60, 101, 203);
/* oklch */ color: oklch(53.3% 0.165 264.9);

Tailwind

colors: {
  custom: {
    50: '#8390db',
    500: '#3c65cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c65cb;
$custom-light: #8390db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c65cb",
  "rgb": {
    "r": 60,
    "g": 101,
    "b": 203
  },
  "hsl": {
    "h": 222.797,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53341,
    "c": 0.16504,
    "h": 264.9
  },
  "luminance": 0.1458
}

Semantic roles & 50–950 ramp

primary

#3C65CB

secondary

#D1BF92

accent

#B547E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3C65CB

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

Preview Lab → · Contrast checker → · Palette generator →