#3150B0#3150B0

#3150B0 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.5% C 0.157 H 266.7°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#3150B0
RGB	rgb(49, 80, 176)
HSL	hsl(225, 56%, 44%)
HSV	hsv(225, 72%, 69%)
CMYK	cmyk(72.2%, 54.5%, 0%, 31%)
CIE-LAB	lab(36.97, 22.28, -54.57)
CIE-LCH	lch(36.97, 58.94, 292.21°)
OKLab	oklab(46.48% -0.0092 -0.1571)
OKLCH	oklch(46.48% 0.157 266.7)
XYZ	xyz(11.9690, 9.5236, 42.2733)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3150B0 #B09131

analogous

#3190B0 #3150B0 #5231B0

triadic

#3150B0 #B03150 #50B031

tetradic

#3150B0 #B03190 #B09131 #31B052

square

#3150B0 #B03190 #B09131 #31B052

split-complementary

#3150B0 #B05231 #90B031

monochromatic

#162450 #243A80 #3150B0 #506FCE #8096DC

Accessibility & contrast

On white

7.23

#3150B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#3150B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3150B0

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3150B0	#FFFFFF	#000000	##FFFFFF
##3150B0	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#015DB3

Deuteranopia (green-blind)

#0051AE

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3150b0;
/* rgb */ color: rgb(49, 80, 176);
/* oklch */ color: oklch(46.5% 0.157 266.7);

Tailwind

colors: {
  custom: {
    50: '#7a80c8',
    500: '#3150b0',
    950: '#000000',
  },
}

SCSS

$custom: #3150b0;
$custom-light: #7a80c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3150b0",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 176
  },
  "hsl": {
    "h": 225.354,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.46484,
    "c": 0.15737,
    "h": 266.7
  },
  "luminance": 0.09525
}

Semantic roles & 50–950 ramp

primary

#3150B0

secondary

#C5B278

accent

#BB48E0

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3150B0

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

Preview Lab → · Contrast checker → · Palette generator →