#3151A2#3151A2

#3151A2 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.6% C 0.136 H 265.2°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#3151A2
RGB	rgb(49, 81, 162)
HSL	hsl(223, 54%, 41%)
HSV	hsv(223, 70%, 64%)
CMYK	cmyk(69.8%, 50%, 0%, 36.5%)
CIE-LAB	lab(36.26, 16.37, -47.38)
CIE-LCH	lch(36.26, 50.13, 289.06°)
OKLab	oklab(45.63% -0.0115 -0.1359)
OKLCH	oklch(45.63% 0.136 265.2)
XYZ	xyz(10.7284, 9.1454, 35.3753)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3151A2 #A28231

analogous

#318AA2 #3151A2 #4A31A2

triadic

#3151A2 #A23151 #51A231

tetradic

#3151A2 #A2318A #A28231 #31A24A

square

#3151A2 #A2318A #A28231 #31A24A

split-complementary

#3151A2 #A24A31 #8AA231

monochromatic

#152244 #233A73 #3151A2 #486CC8 #7792D6

Accessibility & contrast

On white

7.42

#3151A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#3151A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3151A2

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3151A2	#FFFFFF	#000000	##FFFFFF
##3151A2	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245BA5

Deuteranopia (green-blind)

#0050A0

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3151a2;
/* rgb */ color: rgb(49, 81, 162);
/* oklch */ color: oklch(45.6% 0.136 265.2);

Tailwind

colors: {
  custom: {
    50: '#7781be',
    500: '#3151a2',
    950: '#000000',
  },
}

SCSS

$custom: #3151a2;
$custom-light: #7781be;
$custom-dark: #000000;

JSON

{
  "hex": "#3151a2",
  "rgb": {
    "r": 49,
    "g": 81,
    "b": 162
  },
  "hsl": {
    "h": 223.009,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.4563,
    "c": 0.13642,
    "h": 265.2
  },
  "luminance": 0.09146
}

Semantic roles & 50–950 ramp

primary

#3151A2

secondary

#BEA871

accent

#B44BDD

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3151A2

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

Preview Lab → · Contrast checker → · Palette generator →