#3155A2#3155A2

#3155A2 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 46.5% C 0.131 H 263.3°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#3155A2
RGB	rgb(49, 85, 162)
HSL	hsl(221, 54%, 41%)
HSV	hsv(221, 70%, 64%)
CMYK	cmyk(69.8%, 47.5%, 0%, 36.5%)
CIE-LAB	lab(37.40, 13.73, -45.55)
CIE-LCH	lch(37.40, 47.57, 286.77°)
OKLab	oklab(46.5% -0.0152 -0.1305)
OKLCH	oklch(46.5% 0.131 263.3)
XYZ	xyz(11.0344, 9.7575, 35.4773)
Luminance	0.0976 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3155A2 #A27E31

analogous

#318EA2 #3155A2 #4631A2

triadic

#3155A2 #A23155 #55A231

tetradic

#3155A2 #A2318E #A27E31 #31A246

square

#3155A2 #A2318E #A27E31 #31A246

split-complementary

#3155A2 #A24631 #8EA231

monochromatic

#152444 #233C73 #3155A2 #4871C8 #7796D6

Accessibility & contrast

On white

7.11

#3155A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#3155A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3155A2

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3155A2	#FFFFFF	#000000	##FFFFFF
##3155A2	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D5EA5

Deuteranopia (green-blind)

#1453A0

Tritanopia (blue-blind)

#006773

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #3155a2;
/* rgb */ color: rgb(49, 85, 162);
/* oklch */ color: oklch(46.5% 0.131 263.3);

Tailwind

colors: {
  custom: {
    50: '#7784be',
    500: '#3155a2',
    950: '#000000',
  },
}

SCSS

$custom: #3155a2;
$custom-light: #7784be;
$custom-dark: #000000;

JSON

{
  "hex": "#3155a2",
  "rgb": {
    "r": 49,
    "g": 85,
    "b": 162
  },
  "hsl": {
    "h": 220.885,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.46503,
    "c": 0.13136,
    "h": 263.3
  },
  "luminance": 0.09759
}

Semantic roles & 50–950 ramp

primary

#3155A2

secondary

#BEA571

accent

#AE4BDD

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #3155A2

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

Preview Lab → · Contrast checker → · Palette generator →