#3159AA#3159AA

#3159AA is a mid, vivid blue. Relative luminance 0.107; OKLCH L 47.9% C 0.138 H 262.6°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3159AA
RGB	rgb(49, 89, 170)
HSL	hsl(220, 55%, 43%)
HSV	hsv(220, 71%, 67%)
CMYK	cmyk(71.2%, 47.6%, 0%, 33.3%)
CIE-LAB	lab(39.07, 14.11, -47.63)
CIE-LCH	lch(39.07, 49.68, 286.50°)
OKLab	oklab(47.95% -0.0177 -0.1365)
OKLCH	oklch(47.95% 0.138 262.6)
XYZ	xyz(12.0921, 10.6987, 39.4502)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3159AA #AA8231

analogous

#3195AA #3159AA #4531AA

triadic

#3159AA #AA3159 #59AA31

tetradic

#3159AA #AA3195 #AA8231 #31AA45

square

#3159AA #AA3195 #AA8231 #31AA45

split-complementary

#3159AA #AA4531 #95AA31

monochromatic

#16274B #23407A #3159AA #4D77CC #7C9BD9

Accessibility & contrast

On white

6.69

#3159AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3159AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3159AA

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3159AA	#FFFFFF	#000000	##FFFFFF
##3159AA	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)

#2E62AD

Deuteranopia (green-blind)

#1157A8

Tritanopia (blue-blind)

#006C79

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3159aa;
/* rgb */ color: rgb(49, 89, 170);
/* oklch */ color: oklch(47.9% 0.138 262.6);

Tailwind

colors: {
  custom: {
    50: '#7887c4',
    500: '#3159aa',
    950: '#000000',
  },
}

SCSS

$custom: #3159aa;
$custom-light: #7887c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3159aa",
  "rgb": {
    "r": 49,
    "g": 89,
    "b": 170
  },
  "hsl": {
    "h": 220.165,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.47946,
    "c": 0.13768,
    "h": 262.6
  },
  "luminance": 0.107
}

Semantic roles & 50–950 ramp

primary

#3159AA

secondary

#C2A875

accent

#AD49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3159AA

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

Preview Lab → · Contrast checker → · Palette generator →