#3153BF#3153BF

#3153BF is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.174 H 266.5°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3153BF
RGB	rgb(49, 83, 191)
HSL	hsl(226, 59%, 47%)
HSV	hsv(226, 74%, 75%)
CMYK	cmyk(74.3%, 56.5%, 0%, 25.1%)
CIE-LAB	lab(38.90, 25.92, -60.26)
CIE-LCH	lch(38.90, 65.60, 293.27°)
OKLab	oklab(48.29% -0.0106 -0.1738)
OKLCH	oklch(48.29% 0.174 266.5)
XYZ	xyz(13.7606, 10.5996, 50.6008)
Luminance	0.1060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3153BF #BF9D31

analogous

#319ABF #3153BF #5631BF

triadic

#3153BF #BF3153 #53BF31

tetradic

#3153BF #BF319A #BF9D31 #31BF56

square

#3153BF #BF319A #BF9D31 #31BF56

split-complementary

#3153BF #BF5631 #9ABF31

monochromatic

#18295E #253E8E #3153BF #5976D4 #8A9EE1

Accessibility & contrast

On white

6.73

#3153BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3153BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3153BF

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3153BF	#FFFFFF	#000000	##FFFFFF
##3153BF	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C3

Deuteranopia (green-blind)

#0055BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3153bf;
/* rgb */ color: rgb(49, 83, 191);
/* oklch */ color: oklch(48.3% 0.174 266.5);

Tailwind

colors: {
  custom: {
    50: '#7d82d3',
    500: '#3153bf',
    950: '#000000',
  },
}

SCSS

$custom: #3153bf;
$custom-light: #7d82d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3153bf",
  "rgb": {
    "r": 49,
    "g": 83,
    "b": 191
  },
  "hsl": {
    "h": 225.634,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.48286,
    "c": 0.17412,
    "h": 266.5
  },
  "luminance": 0.10601
}

Semantic roles & 50–950 ramp

primary

#3153BF

secondary

#CBB981

accent

#BD45E2

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3153BF

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

Preview Lab → · Contrast checker → · Palette generator →