#3B54CC#3B54CC

#3B54CC is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.187 H 269.4°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#3B54CC
RGB	rgb(59, 84, 204)
HSL	hsl(230, 59%, 52%)
HSV	hsv(230, 71%, 80%)
CMYK	cmyk(71.1%, 58.8%, 0%, 20%)
CIE-LAB	lab(40.62, 31.27, -64.99)
CIE-LCH	lch(40.62, 72.13, 295.70°)
OKLab	oklab(50.01% -0.0019 -0.1875)
OKLCH	oklch(50.01% 0.187 269.4)
XYZ	xyz(15.8693, 11.6285, 58.5232)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B54CC #CCB33B

analogous

#3B9DCC #3B54CC #6B3BCC

triadic

#3B54CC #CC3B54 #54CC3B

tetradic

#3B54CC #CC3B9D #CCB33B #3BCC6B

square

#3B54CC #CC3B9D #CCB33B #3BCC6B

split-complementary

#3B54CC #CC6B3B #9DCC3B

monochromatic

#1D2B70 #2A3EA0 #3B54CC #6C7ED9 #9CA9E5

Accessibility & contrast

On white

6.31

#3B54CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#3B54CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B54CC

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B54CC	#FFFFFF	#000000	##FFFFFF
##3B54CC	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#0059CA

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3b54cc;
/* rgb */ color: rgb(59, 84, 204);
/* oklch */ color: oklch(50.0% 0.187 269.4);

Tailwind

colors: {
  custom: {
    50: '#8483dc',
    500: '#3b54cc',
    950: '#000000',
  },
}

SCSS

$custom: #3b54cc;
$custom-light: #8483dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3b54cc",
  "rgb": {
    "r": 59,
    "g": 84,
    "b": 204
  },
  "hsl": {
    "h": 229.655,
    "s": 58.704,
    "l": 51.569
  },
  "oklch": {
    "l": 0.50014,
    "c": 0.18749,
    "h": 269.4
  },
  "luminance": 0.1163
}

Semantic roles & 50–950 ramp

primary

#3B54CC

secondary

#D1C692

accent

#C746E2

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3B54CC

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

Preview Lab → · Contrast checker → · Palette generator →