#3153AC#3153AC

#3153AC is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.8% C 0.148 H 265.3°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#3153AC
RGB	rgb(49, 83, 172)
HSL	hsl(223, 56%, 43%)
HSV	hsv(223, 72%, 67%)
CMYK	cmyk(71.5%, 51.7%, 0%, 32.5%)
CIE-LAB	lab(37.51, 18.80, -51.33)
CIE-LCH	lch(37.51, 54.66, 290.12°)
OKLab	oklab(46.8% -0.0121 -0.1475)
OKLCH	oklch(46.8% 0.148 265.3)
XYZ	xyz(11.8037, 9.8168, 40.2945)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153AC #AC8A31

analogous

#3190AC #3153AC #4D31AC

triadic

#3153AC #AC3153 #53AC31

tetradic

#3153AC #AC3190 #AC8A31 #31AC4D

square

#3153AC #AC3190 #AC8A31 #31AC4D

split-complementary

#3153AC #AC4D31 #90AC31

monochromatic

#16254D #233C7C #3153AC #4E71CC #7D97DA

Accessibility & contrast

On white

7.09

#3153AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#3153AC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3153AC

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153AC	#FFFFFF	#000000	##FFFFFF
##3153AC	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B5EAF

Deuteranopia (green-blind)

#0053AA

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3153ac;
/* rgb */ color: rgb(49, 83, 172);
/* oklch */ color: oklch(46.8% 0.148 265.3);

Tailwind

colors: {
  custom: {
    50: '#7982c5',
    500: '#3153ac',
    950: '#000000',
  },
}

SCSS

$custom: #3153ac;
$custom-light: #7982c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3153ac",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 172
  },
  "hsl": {
    "h": 223.415,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.468,
    "c": 0.14801,
    "h": 265.3
  },
  "luminance": 0.09818
}

Semantic roles & 50–950 ramp

primary

#3153AC

secondary

#C3AE76

accent

#B549DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3153AC

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

Preview Lab → · Contrast checker → · Palette generator →