#3153A1#3153A1

#3153A1 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.0% C 0.132 H 264.2°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3153A1
RGB	rgb(49, 83, 161)
HSL	hsl(222, 53%, 41%)
HSV	hsv(222, 70%, 63%)
CMYK	cmyk(69.6%, 48.4%, 0%, 36.9%)
CIE-LAB	lab(36.77, 14.67, -45.98)
CIE-LCH	lch(36.77, 48.26, 287.70°)
OKLab	oklab(45.99% -0.0135 -0.1318)
OKLCH	oklch(45.99% 0.132 264.2)
XYZ	xyz(10.7906, 9.4116, 34.9592)
Luminance	0.0941 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153A1 #A17F31

analogous

#318BA1 #3153A1 #4731A1

triadic

#3153A1 #A13153 #53A131

tetradic

#3153A1 #A1318B #A17F31 #31A147

square

#3153A1 #A1318B #A17F31 #31A147

split-complementary

#3153A1 #A14731 #8BA131

monochromatic

#142343 #233B72 #3153A1 #486FC7 #7794D6

Accessibility & contrast

On white

7.29

#3153A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#3153A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3153A1

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153A1	#FFFFFF	#000000	##FFFFFF
##3153A1	1.00	7.29	2.88	7.29
#FFFFFF	7.29	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A5CA4

Deuteranopia (green-blind)

#0E529F

Tritanopia (blue-blind)

#006572

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #3153a1;
/* rgb */ color: rgb(49, 83, 161);
/* oklch */ color: oklch(46.0% 0.132 264.2);

Tailwind

colors: {
  custom: {
    50: '#7782bd',
    500: '#3153a1',
    950: '#000000',
  },
}

SCSS

$custom: #3153a1;
$custom-light: #7782bd;
$custom-dark: #000000;

JSON

{
  "hex": "#3153a1",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 161
  },
  "hsl": {
    "h": 221.786,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.45993,
    "c": 0.13246,
    "h": 264.2
  },
  "luminance": 0.09413
}

Semantic roles & 50–950 ramp

primary

#3153A1

secondary

#BEA670

accent

#B14BDD

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3153A1

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

Preview Lab → · Contrast checker → · Palette generator →