#3C65BB#3C65BB

#3C65BB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.2% C 0.143 H 263.2°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3C65BB
RGB	rgb(60, 101, 187)
HSL	hsl(221, 51%, 48%)
HSV	hsv(221, 68%, 73%)
CMYK	cmyk(67.9%, 46%, 0%, 26.7%)
CIE-LAB	lab(44.02, 14.35, -49.63)
CIE-LCH	lch(44.02, 51.67, 286.13°)
OKLab	oklab(52.23% -0.017 -0.142)
OKLCH	oklch(52.23% 0.143 263.2)
XYZ	xyz(15.4836, 13.8543, 48.8622)
Luminance	0.1386 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C65BB #BB923C

analogous

#3CA4BB #3C65BB #523CBB

triadic

#3C65BB #BB3C65 #65BB3C

tetradic

#3C65BB #BB3CA4 #BB923C #3CBB52

square

#3C65BB #BB3CA4 #BB923C #3CBB52

split-complementary

#3C65BB #BB523C #A4BB3C

monochromatic

#1E335E #2D4C8D #3C65BB #6688CE #95ACDD

Accessibility & contrast

On white

5.57

#3C65BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3C65BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C65BB

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C65BB	#FFFFFF	#000000	##FFFFFF
##3C65BB	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBE

Deuteranopia (green-blind)

#2163B9

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3c65bb;
/* rgb */ color: rgb(60, 101, 187);
/* oklch */ color: oklch(52.2% 0.143 263.2);

Tailwind

colors: {
  custom: {
    50: '#8090d0',
    500: '#3c65bb',
    950: '#000000',
  },
}

SCSS

$custom: #3c65bb;
$custom-light: #8090d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c65bb",
  "rgb": {
    "r": 60,
    "g": 101,
    "b": 187
  },
  "hsl": {
    "h": 220.63,
    "s": 51.417,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52226,
    "c": 0.14305,
    "h": 263.2
  },
  "luminance": 0.13856
}

Semantic roles & 50–950 ramp

primary

#3C65BB

secondary

#C8B48B

accent

#AD4DDB

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3C65BB

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

Preview Lab → · Contrast checker → · Palette generator →