#3251CB#3251CB

#3251CB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.9% C 0.192 H 267.6°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#3251CB
RGB	rgb(50, 81, 203)
HSL	hsl(228, 60%, 50%)
HSV	hsv(228, 75%, 80%)
CMYK	cmyk(75.4%, 60.1%, 0%, 20.4%)
CIE-LAB	lab(39.37, 31.76, -66.48)
CIE-LCH	lch(39.37, 73.67, 295.53°)
OKLab	oklab(48.94% -0.008 -0.192)
OKLCH	oklch(48.94% 0.192 267.6)
XYZ	xyz(15.0336, 10.8731, 57.7947)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3251CB #CBAC32

analogous

#329ECB #3251CB #6032CB

triadic

#3251CB #CB3251 #51CB32

tetradic

#3251CB #CB329E #CBAC32 #32CB60

square

#3251CB #CB329E #CBAC32 #32CB60

split-complementary

#3251CB #CB6032 #9ECB32

monochromatic

#1A2A69 #263D9A #3251CB #627AD8 #93A3E4

Accessibility & contrast

On white

6.61

#3251CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#3251CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3251CB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3251CB	#FFFFFF	#000000	##FFFFFF
##3251CB	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CF

Deuteranopia (green-blind)

#0056C9

Tritanopia (blue-blind)

#007086

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3251cb;
/* rgb */ color: rgb(50, 81, 203);
/* oklch */ color: oklch(48.9% 0.192 267.6);

Tailwind

colors: {
  custom: {
    50: '#8081dc',
    500: '#3251cb',
    950: '#000000',
  },
}

SCSS

$custom: #3251cb;
$custom-light: #8081dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3251cb",
  "rgb": {
    "r": 50,
    "g": 81,
    "b": 203
  },
  "hsl": {
    "h": 227.843,
    "s": 60.474,
    "l": 49.608
  },
  "oklch": {
    "l": 0.48942,
    "c": 0.19222,
    "h": 267.6
  },
  "luminance": 0.10875
}

Semantic roles & 50–950 ramp

primary

#3251CB

secondary

#CFC189

accent

#C344E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3251CB

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

Preview Lab → · Contrast checker → · Palette generator →