#3153A4#3153A4

#3153A4 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.2% C 0.137 H 264.5°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#3153A4
RGB	rgb(49, 83, 164)
HSL	hsl(222, 54%, 42%)
HSV	hsv(222, 70%, 64%)
CMYK	cmyk(70.1%, 49.4%, 0%, 35.7%)
CIE-LAB	lab(36.96, 15.80, -47.45)
CIE-LCH	lch(36.96, 50.01, 288.41°)
OKLab	oklab(46.21% -0.013 -0.1361)
OKLCH	oklch(46.21% 0.137 264.5)
XYZ	xyz(11.0584, 9.5187, 36.3693)
Luminance	0.0952 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153A4 #A48231

analogous

#318DA4 #3153A4 #4931A4

triadic

#3153A4 #A43153 #53A431

tetradic

#3153A4 #A4318D #A48231 #31A449

square

#3153A4 #A4318D #A48231 #31A449

split-complementary

#3153A4 #A44931 #8DA431

monochromatic

#152346 #233B75 #3153A4 #496FC9 #7994D7

Accessibility & contrast

On white

7.23

#3153A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#3153A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3153A4

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153A4	#FFFFFF	#000000	##FFFFFF
##3153A4	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265DA7

Deuteranopia (green-blind)

#0452A2

Tritanopia (blue-blind)

#006673

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #3153a4;
/* rgb */ color: rgb(49, 83, 164);
/* oklch */ color: oklch(46.2% 0.137 264.5);

Tailwind

colors: {
  custom: {
    50: '#7782bf',
    500: '#3153a4',
    950: '#000000',
  },
}

SCSS

$custom: #3153a4;
$custom-light: #7782bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3153a4",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 164
  },
  "hsl": {
    "h": 222.261,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46209,
    "c": 0.13672,
    "h": 264.5
  },
  "luminance": 0.0952
}

Semantic roles & 50–950 ramp

primary

#3153A4

secondary

#BFA872

accent

#B24ADD

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3153A4

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

Preview Lab → · Contrast checker → · Palette generator →