#3150AA#3150AA

#3150AA is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.149 H 266.3°. Best body text is #FFFFFF at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#3150AA
RGB	rgb(49, 80, 170)
HSL	hsl(225, 55%, 43%)
HSV	hsv(225, 71%, 67%)
CMYK	cmyk(71.2%, 52.9%, 0%, 33.3%)
CIE-LAB	lab(36.54, 20.03, -51.71)
CIE-LCH	lch(36.54, 55.46, 291.18°)
OKLab	oklab(46.02% -0.0097 -0.1487)
OKLCH	oklch(46.02% 0.149 266.3)
XYZ	xyz(11.3885, 9.2914, 39.2157)
Luminance	0.0929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3150AA #AA8B31

analogous

#318CAA #3150AA #4E31AA

triadic

#3150AA #AA3150 #50AA31

tetradic

#3150AA #AA318C #AA8B31 #31AA4E

square

#3150AA #AA318C #AA8B31 #31AA4E

split-complementary

#3150AA #AA4E31 #8CAA31

monochromatic

#16234B #233A7A #3150AA #4D6DCC #7C94D9

Accessibility & contrast

On white

7.35

#3150AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#3150AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3150AA

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3150AA	#FFFFFF	#000000	##FFFFFF
##3150AA	1.00	7.35	2.86	7.35
#FFFFFF	7.35	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145CAD

Deuteranopia (green-blind)

#0051A8

Tritanopia (blue-blind)

#006675

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3150aa;
/* rgb */ color: rgb(49, 80, 170);
/* oklch */ color: oklch(46.0% 0.149 266.3);

Tailwind

colors: {
  custom: {
    50: '#7980c4',
    500: '#3150aa',
    950: '#000000',
  },
}

SCSS

$custom: #3150aa;
$custom-light: #7980c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3150aa",
  "rgb": {
    "r": 49,
    "g": 80,
    "b": 170
  },
  "hsl": {
    "h": 224.628,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.46018,
    "c": 0.149,
    "h": 266.3
  },
  "luminance": 0.09293
}

Semantic roles & 50–950 ramp

primary

#3150AA

secondary

#C2AE75

accent

#B849DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3150AA

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

Preview Lab → · Contrast checker → · Palette generator →