#3155BA#3155BA

#3155BA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.165 H 265.7°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3155BA
RGB	rgb(49, 85, 186)
HSL	hsl(224, 58%, 46%)
HSV	hsv(224, 74%, 73%)
CMYK	cmyk(73.7%, 54.3%, 0%, 27.1%)
CIE-LAB	lab(39.06, 22.74, -57.08)
CIE-LCH	lch(39.06, 61.44, 291.72°)
OKLab	oklab(48.29% -0.0124 -0.1644)
OKLCH	oklch(48.29% 0.165 265.7)
XYZ	xyz(13.3749, 10.6937, 47.8041)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155BA #BA9631

analogous

#3199BA #3155BA #5231BA

triadic

#3155BA #BA3155 #55BA31

tetradic

#3155BA #BA3199 #BA9631 #31BA52

square

#3155BA #BA3199 #BA9631 #31BA52

split-complementary

#3155BA #BA5231 #99BA31

monochromatic

#172959 #243F8A #3155BA #5677D2 #869EDF

Accessibility & contrast

On white

6.69

#3155BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3155BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3155BA

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155BA	#FFFFFF	#000000	##FFFFFF
##3155BA	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063BE

Deuteranopia (green-blind)

#0056B8

Tritanopia (blue-blind)

#006E7F

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3155ba;
/* rgb */ color: rgb(49, 85, 186);
/* oklch */ color: oklch(48.3% 0.165 265.7);

Tailwind

colors: {
  custom: {
    50: '#7c84cf',
    500: '#3155ba',
    950: '#000000',
  },
}

SCSS

$custom: #3155ba;
$custom-light: #7c84cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3155ba",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 186
  },
  "hsl": {
    "h": 224.234,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.48291,
    "c": 0.16487,
    "h": 265.7
  },
  "luminance": 0.10695
}

Semantic roles & 50–950 ramp

primary

#3155BA

secondary

#C9B57E

accent

#B946E2

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #3155BA

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

Preview Lab → · Contrast checker → · Palette generator →