#3155BC#3155BC

#3155BC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.4% C 0.168 H 265.8°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#3155BC
RGB	rgb(49, 85, 188)
HSL	hsl(224, 59%, 46%)
HSV	hsv(224, 74%, 74%)
CMYK	cmyk(73.9%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(39.21, 23.49, -58.01)
CIE-LCH	lch(39.21, 62.59, 292.05°)
OKLab	oklab(48.45% -0.0123 -0.1671)
OKLCH	oklch(48.45% 0.168 265.8)
XYZ	xyz(13.5890, 10.7793, 48.9316)
Luminance	0.1078 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155BC #BC9831

analogous

#319BBC #3155BC #5231BC

triadic

#3155BC #BC3155 #55BC31

tetradic

#3155BC #BC319B #BC9831 #31BC52

square

#3155BC #BC319B #BC9831 #31BC52

split-complementary

#3155BC #BC5231 #9BBC31

monochromatic

#18295B #243F8B #3155BC #5777D3 #889EE0

Accessibility & contrast

On white

6.65

#3155BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3155BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155BC

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155BC	#FFFFFF	#000000	##FFFFFF
##3155BC	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0056BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3155bc;
/* rgb */ color: rgb(49, 85, 188);
/* oklch */ color: oklch(48.4% 0.168 265.8);

Tailwind

colors: {
  custom: {
    50: '#7c84d1',
    500: '#3155bc',
    950: '#000000',
  },
}

SCSS

$custom: #3155bc;
$custom-light: #7c84d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3155bc",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 224.46,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.48448,
    "c": 0.16759,
    "h": 265.8
  },
  "luminance": 0.10781
}

Semantic roles & 50–950 ramp

primary

#3155BC

secondary

#CAB67F

accent

#B946E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3155BC

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

Preview Lab → · Contrast checker → · Palette generator →