#3158AC#3158AC

#3158AC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 47.9% C 0.142 H 263.3°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#3158AC
RGB	rgb(49, 88, 172)
HSL	hsl(221, 56%, 43%)
HSV	hsv(221, 72%, 67%)
CMYK	cmyk(71.5%, 48.8%, 0%, 32.5%)
CIE-LAB	lab(38.92, 15.52, -49.07)
CIE-LCH	lch(38.92, 51.46, 287.55°)
OKLab	oklab(47.87% -0.0165 -0.1408)
OKLCH	oklch(47.87% 0.142 263.3)
XYZ	xyz(12.2001, 10.6097, 40.4266)
Luminance	0.1061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3158AC #AC8531

analogous

#3195AC #3158AC #4831AC

triadic

#3158AC #AC3158 #58AC31

tetradic

#3158AC #AC3195 #AC8531 #31AC48

square

#3158AC #AC3195 #AC8531 #31AC48

split-complementary

#3158AC #AC4831 #95AC31

monochromatic

#16274D #23407C #3158AC #4E76CC #7D9BDA

Accessibility & contrast

On white

6.73

#3158AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3158AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3158AC

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3158AC	#FFFFFF	#000000	##FFFFFF
##3158AC	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A62AF

Deuteranopia (green-blind)

#0456AA

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3158ac;
/* rgb */ color: rgb(49, 88, 172);
/* oklch */ color: oklch(47.9% 0.142 263.3);

Tailwind

colors: {
  custom: {
    50: '#7986c5',
    500: '#3158ac',
    950: '#000000',
  },
}

SCSS

$custom: #3158ac;
$custom-light: #7986c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3158ac",
  "rgb": {
    "r": 49,
    "g": 88,
    "b": 172
  },
  "hsl": {
    "h": 220.976,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4787,
    "c": 0.14173,
    "h": 263.3
  },
  "luminance": 0.10611
}

Semantic roles & 50–950 ramp

primary

#3158AC

secondary

#C3AA76

accent

#AF49DF

background

#F7F8FC

surface

#EEEFF8

border

#C9CAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3158AC

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

Preview Lab → · Contrast checker → · Palette generator →