#3155BE#3155BE

#3155BE is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.6% C 0.170 H 265.9°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#3155BE
RGB	rgb(49, 85, 190)
HSL	hsl(225, 59%, 47%)
HSV	hsv(225, 74%, 75%)
CMYK	cmyk(74.2%, 55.3%, 0%, 25.5%)
CIE-LAB	lab(39.35, 24.24, -58.94)
CIE-LCH	lch(39.35, 63.73, 292.35°)
OKLab	oklab(48.61% -0.0121 -0.1699)
OKLCH	oklch(48.61% 0.17 265.9)
XYZ	xyz(13.8061, 10.8662, 50.0750)
Luminance	0.1087 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155BE #BE9A31

analogous

#319CBE #3155BE #5431BE

triadic

#3155BE #BE3155 #55BE31

tetradic

#3155BE #BE319C #BE9A31 #31BE54

square

#3155BE #BE319C #BE9A31 #31BE54

split-complementary

#3155BE #BE5431 #9CBE31

monochromatic

#18295D #243F8D #3155BE #5878D4 #899FE1

Accessibility & contrast

On white

6.62

#3155BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#3155BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155BE

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155BE	#FFFFFF	#000000	##FFFFFF
##3155BE	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C2

Deuteranopia (green-blind)

#0056BC

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3155be;
/* rgb */ color: rgb(49, 85, 190);
/* oklch */ color: oklch(48.6% 0.170 265.9);

Tailwind

colors: {
  custom: {
    50: '#7d84d2',
    500: '#3155be',
    950: '#000000',
  },
}

SCSS

$custom: #3155be;
$custom-light: #7d84d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3155be",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 190
  },
  "hsl": {
    "h": 224.681,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.48606,
    "c": 0.1703,
    "h": 265.9
  },
  "luminance": 0.10868
}

Semantic roles & 50–950 ramp

primary

#3155BE

secondary

#CAB880

accent

#BA46E2

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3155BE

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

Preview Lab → · Contrast checker → · Palette generator →