#3A50CB#3A50CB

#3A50CB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.1% C 0.191 H 270.0°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3A50CB
RGB	rgb(58, 80, 203)
HSL	hsl(231, 58%, 51%)
HSV	hsv(231, 71%, 80%)
CMYK	cmyk(71.4%, 60.6%, 0%, 20.4%)
CIE-LAB	lab(39.49, 33.33, -66.26)
CIE-LCH	lch(39.49, 74.17, 296.71°)
OKLab	oklab(49.14% 0 -0.1912)
OKLCH	oklch(49.14% 0.191 270)
XYZ	xyz(15.3894, 10.9471, 57.7903)
Luminance	0.1095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A50CB #CBB53A

analogous

#3A98CB #3A50CB #6C3ACB

triadic

#3A50CB #CB3A50 #50CB3A

tetradic

#3A50CB #CB3A98 #CBB53A #3ACB6C

square

#3A50CB #CB3A98 #CBB53A #3ACB6C

split-complementary

#3A50CB #CB6C3A #98CB3A

monochromatic

#1D296E #2A3B9E #3A50CB #6A7BD8 #9BA6E5

Accessibility & contrast

On white

6.58

#3A50CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3A50CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A50CB

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A50CB	#FFFFFF	#000000	##FFFFFF
##3A50CB	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3a50cb;
/* rgb */ color: rgb(58, 80, 203);
/* oklch */ color: oklch(49.1% 0.191 270.0);

Tailwind

colors: {
  custom: {
    50: '#8381dc',
    500: '#3a50cb',
    950: '#000000',
  },
}

SCSS

$custom: #3a50cb;
$custom-light: #8381dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3a50cb",
  "rgb": {
    "r": 58,
    "g": 80,
    "b": 203
  },
  "hsl": {
    "h": 230.897,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.49138,
    "c": 0.19125,
    "h": 270
  },
  "luminance": 0.10949
}

Semantic roles & 50–950 ramp

primary

#3A50CB

secondary

#D0C790

accent

#CA46E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A50CB

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

Preview Lab → · Contrast checker → · Palette generator →