#3C55CB#3C55CB

#3C55CB is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.2% C 0.185 H 269.5°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#3C55CB
RGB	rgb(60, 85, 203)
HSL	hsl(230, 58%, 52%)
HSV	hsv(230, 70%, 80%)
CMYK	cmyk(70.4%, 58.1%, 0%, 20.4%)
CIE-LAB	lab(40.84, 30.41, -64.05)
CIE-LCH	lch(40.84, 70.90, 295.40°)
OKLab	oklab(50.17% -0.0018 -0.1847)
OKLCH	oklch(50.17% 0.185 269.5)
XYZ	xyz(15.8878, 11.7679, 57.9225)
Luminance	0.1177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C55CB #CBB23C

analogous

#3C9DCB #3C55CB #6A3CCB

triadic

#3C55CB #CB3C55 #55CB3C

tetradic

#3C55CB #CB3C9D #CBB23C #3CCB6A

square

#3C55CB #CB3C9D #CBB23C #3CCB6A

split-complementary

#3C55CB #CB6A3C #9DCB3C

monochromatic

#1E2C6F #2A3F9F #3C55CB #6C7FD8 #9DA9E5

Accessibility & contrast

On white

6.26

#3C55CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#3C55CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C55CB

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C55CB	#FFFFFF	#000000	##FFFFFF
##3C55CB	1.00	6.26	3.35	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CF

Deuteranopia (green-blind)

#005AC9

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3c55cb;
/* rgb */ color: rgb(60, 85, 203);
/* oklch */ color: oklch(50.2% 0.185 269.5);

Tailwind

colors: {
  custom: {
    50: '#8484dc',
    500: '#3c55cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c55cb;
$custom-light: #8484dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3c55cb",
  "rgb": {
    "r": 60,
    "g": 85,
    "b": 203
  },
  "hsl": {
    "h": 229.51,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50171,
    "c": 0.18467,
    "h": 269.5
  },
  "luminance": 0.11769
}

Semantic roles & 50–950 ramp

primary

#3C55CB

secondary

#D1C692

accent

#C647E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #3C55CB

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

Preview Lab → · Contrast checker → · Palette generator →