#3150D3#3150D3

#3150D3 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 49.4% C 0.204 H 267.7°. Best body text is #FFFFFF at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#3150D3
RGB	rgb(49, 80, 211)
HSL	hsl(229, 65%, 51%)
HSV	hsv(229, 77%, 83%)
CMYK	cmyk(76.8%, 62.1%, 0%, 17.3%)
CIE-LAB	lab(39.73, 35.20, -70.49)
CIE-LCH	lch(39.73, 78.79, 296.54°)
OKLab	oklab(49.41% -0.0083 -0.2038)
OKLCH	oklch(49.41% 0.204 267.7)
XYZ	xyz(15.8891, 11.0917, 62.9189)
Luminance	0.1109 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3150D3 #D3B431

analogous

#31A1D3 #3150D3 #6331D3

triadic

#3150D3 #D33150 #50D331

tetradic

#3150D3 #D331A1 #D3B431 #31D363

square

#3150D3 #D331A1 #D3B431 #31D363

split-complementary

#3150D3 #D36331 #A1D331

monochromatic

#182971 #233CA4 #3150D3 #637BDE #96A6E9

Accessibility & contrast

On white

6.52

#3150D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#3150D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3150D3

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3150D3	#FFFFFF	#000000	##FFFFFF
##3150D3	1.00	6.52	3.22	6.52
#FFFFFF	6.52	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D7

Deuteranopia (green-blind)

#0056D1

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3150d3;
/* rgb */ color: rgb(49, 80, 211);
/* oklch */ color: oklch(49.4% 0.204 267.7);

Tailwind

colors: {
  custom: {
    50: '#8280e2',
    500: '#3150d3',
    950: '#000000',
  },
}

SCSS

$custom: #3150d3;
$custom-light: #8280e2;
$custom-dark: #000000;

JSON

{
  "hex": "#3150d3",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 211
  },
  "hsl": {
    "h": 228.519,
    "s": 64.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.49408,
    "c": 0.20402,
    "h": 267.7
  },
  "luminance": 0.11093
}

Semantic roles & 50–950 ramp

primary

#3150D3

secondary

#D4C68C

accent

#C840E8

background

#F8F7FE

surface

#F0EEFC

border

#CBC9D5

text

#0C0A15

muted

#7D7C84

Preview Lab

Preview with #3150D3

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

Preview Lab → · Contrast checker → · Palette generator →