#3150B8#3150B8

#3150B8 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.1% C 0.168 H 267.0°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3150B8
RGB	rgb(49, 80, 184)
HSL	hsl(226, 58%, 46%)
HSV	hsv(226, 73%, 72%)
CMYK	cmyk(73.4%, 56.5%, 0%, 27.8%)
CIE-LAB	lab(37.57, 25.27, -58.32)
CIE-LCH	lch(37.57, 63.56, 293.43°)
OKLab	oklab(47.12% -0.0087 -0.1681)
OKLCH	oklch(47.12% 0.168 267)
XYZ	xyz(12.7840, 9.8496, 46.5655)
Luminance	0.0985 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3150B8 #B89931

analogous

#3193B8 #3150B8 #5531B8

triadic

#3150B8 #B83150 #50B831

tetradic

#3150B8 #B83193 #B89931 #31B855

square

#3150B8 #B83193 #B89931 #31B855

split-complementary

#3150B8 #B85531 #93B831

monochromatic

#172657 #243B88 #3150B8 #5571D2 #8599DE

Accessibility & contrast

On white

7.07

#3150B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3150B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3150B8

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3150B8	#FFFFFF	#000000	##FFFFFF
##3150B8	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBC

Deuteranopia (green-blind)

#0052B6

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3150b8;
/* rgb */ color: rgb(49, 80, 184);
/* oklch */ color: oklch(47.1% 0.168 267.0);

Tailwind

colors: {
  custom: {
    50: '#7c80ce',
    500: '#3150b8',
    950: '#000000',
  },
}

SCSS

$custom: #3150b8;
$custom-light: #7c80ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3150b8",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 184
  },
  "hsl": {
    "h": 226.222,
    "s": 57.94,
    "l": 45.686
  },
  "oklch": {
    "l": 0.47122,
    "c": 0.16835,
    "h": 267
  },
  "luminance": 0.09851
}

Semantic roles & 50–950 ramp

primary

#3150B8

secondary

#C8B77D

accent

#BE47E1

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3150B8

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

Preview Lab → · Contrast checker → · Palette generator →