#3140BC#3140BC

#3140BC is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.193 H 270.7°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#3140BC
RGB	rgb(49, 64, 188)
HSL	hsl(234, 59%, 46%)
HSV	hsv(234, 74%, 74%)
CMYK	cmyk(73.9%, 66%, 0%, 26.3%)
CIE-LAB	lab(33.88, 37.05, -66.70)
CIE-LCH	lch(33.88, 76.30, 299.05°)
OKLab	oklab(44.49% 0.0023 -0.1929)
OKLCH	oklch(44.49% 0.193 270.7)
XYZ	xyz(12.1740, 7.9493, 48.4600)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3140BC #BCAD31

analogous

#3186BC #3140BC #6831BC

triadic

#3140BC #BC3140 #40BC31

tetradic

#3140BC #BC3186 #BCAD31 #31BC68

square

#3140BC #BC3186 #BCAD31 #31BC68

split-complementary

#3140BC #BC6831 #86BC31

monochromatic

#181F5B #242F8B #3140BC #5764D3 #8891E0

Accessibility & contrast

On white

8.11

#3140BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3140BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140BC

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140BC	#FFFFFF	#000000	##FFFFFF
##3140BC	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056C0

Deuteranopia (green-blind)

#0049BA

Tritanopia (blue-blind)

#006178

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3140bc;
/* rgb */ color: rgb(49, 64, 188);
/* oklch */ color: oklch(44.5% 0.193 270.7);

Tailwind

colors: {
  custom: {
    50: '#7e75d1',
    500: '#3140bc',
    950: '#000000',
  },
}

SCSS

$custom: #3140bc;
$custom-light: #7e75d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3140bc",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 188
  },
  "hsl": {
    "h": 233.525,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44488,
    "c": 0.19291,
    "h": 270.7
  },
  "luminance": 0.07951
}

Semantic roles & 50–950 ramp

primary

#3140BC

secondary

#CAC27F

accent

#D146E2

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #3140BC

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

Preview Lab → · Contrast checker → · Palette generator →