#3153AD#3153AD

#3153AD is a mid, vivid blue. Relative luminance 0.099; OKLCH L 46.9% C 0.149 H 265.4°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#3153AD
RGB	rgb(49, 83, 173)
HSL	hsl(224, 56%, 44%)
HSV	hsv(224, 72%, 68%)
CMYK	cmyk(71.7%, 52%, 0%, 32.2%)
CIE-LAB	lab(37.58, 19.18, -51.81)
CIE-LCH	lch(37.58, 55.24, 290.31°)
OKLab	oklab(46.88% -0.012 -0.1489)
OKLCH	oklch(46.88% 0.149 265.4)
XYZ	xyz(11.9001, 9.8554, 40.8022)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153AD #AD8B31

analogous

#3191AD #3153AD #4D31AD

triadic

#3153AD #AD3153 #53AD31

tetradic

#3153AD #AD3191 #AD8B31 #31AD4D

square

#3153AD #AD3191 #AD8B31 #31AD4D

split-complementary

#3153AD #AD4D31 #91AD31

monochromatic

#16254E #233C7D #3153AD #4E71CD #7E97DA

Accessibility & contrast

On white

7.07

#3153AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#3153AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3153AD

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153AD	#FFFFFF	#000000	##FFFFFF
##3153AD	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)

#1A5EB0

Deuteranopia (green-blind)

#0053AB

Tritanopia (blue-blind)

#006878

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3153ad;
/* rgb */ color: rgb(49, 83, 173);
/* oklch */ color: oklch(46.9% 0.149 265.4);

Tailwind

colors: {
  custom: {
    50: '#7982c6',
    500: '#3153ad',
    950: '#000000',
  },
}

SCSS

$custom: #3153ad;
$custom-light: #7982c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3153ad",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 173
  },
  "hsl": {
    "h": 223.548,
    "s": 55.856,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46876,
    "c": 0.14941,
    "h": 265.4
  },
  "luminance": 0.09857
}

Semantic roles & 50–950 ramp

primary

#3153AD

secondary

#C3AE77

accent

#B649DF

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3153AD

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

Preview Lab → · Contrast checker → · Palette generator →