#3C55D9#3C55D9

#3C55D9 is a mid, highly saturated blue. Relative luminance 0.125; OKLCH L 51.3% C 0.203 H 269.5°. Best body text is #FFFFFF at 6.01:1 contrast (WCAG AA passes).

Color values

HEX	#3C55D9
RGB	rgb(60, 85, 217)
HSL	hsl(230, 67%, 54%)
HSV	hsv(230, 72%, 85%)
CMYK	cmyk(72.4%, 60.8%, 0%, 14.9%)
CIE-LAB	lab(41.95, 35.39, -70.30)
CIE-LCH	lch(41.95, 78.70, 296.72°)
OKLab	oklab(51.33% -0.0018 -0.203)
OKLCH	oklch(51.33% 0.203 269.5)
XYZ	xyz(17.6321, 12.4656, 67.1090)
Luminance	0.1247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C55D9 #D9C03C

analogous

#3CA4D9 #3C55D9 #723CD9

triadic

#3C55D9 #D93C55 #55D93C

tetradic

#3C55D9 #D93CA4 #D9C03C #3CD972

square

#3C55D9 #D93CA4 #D9C03C #3CD972

split-complementary

#3C55D9 #D9723C #A4D93C

monochromatic

#192A81 #233AB5 #3C55D9 #6F82E3 #A2AEED

Accessibility & contrast

On white

6.01

#3C55D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3C55D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C55D9

6.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C55D9	#FFFFFF	#000000	##FFFFFF
##3C55D9	1.00	6.01	3.49	6.01
#FFFFFF	6.01	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ADD

Deuteranopia (green-blind)

#005CD6

Tritanopia (blue-blind)

#00778F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3c55d9;
/* rgb */ color: rgb(60, 85, 217);
/* oklch */ color: oklch(51.3% 0.203 269.5);

Tailwind

colors: {
  custom: {
    50: '#8784e6',
    500: '#3c55d9',
    950: '#000000',
  },
}

SCSS

$custom: #3c55d9;
$custom-light: #8784e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3c55d9",
  "rgb": {
    "r": 60,
    "g": 85,
    "b": 217
  },
  "hsl": {
    "h": 230.446,
    "s": 67.382,
    "l": 54.314
  },
  "oklch": {
    "l": 0.51333,
    "c": 0.20302,
    "h": 269.5
  },
  "luminance": 0.12467
}

Semantic roles & 50–950 ramp

primary

#3C55D9

secondary

#DACF97

accent

#CF3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #3C55D9

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

Preview Lab → · Contrast checker → · Palette generator →