#3140BA#3140BA

#3140BA is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.3% C 0.190 H 270.7°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#3140BA
RGB	rgb(49, 64, 186)
HSL	hsl(233, 58%, 46%)
HSV	hsv(233, 74%, 73%)
CMYK	cmyk(73.7%, 65.6%, 0%, 27.1%)
CIE-LAB	lab(33.70, 36.34, -65.82)
CIE-LCH	lch(33.70, 75.19, 298.90°)
OKLab	oklab(44.3% 0.0025 -0.1903)
OKLCH	oklch(44.3% 0.19 270.7)
XYZ	xyz(11.9599, 7.8637, 47.3324)
Luminance	0.0786 (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

#3140BA #BAAB31

analogous

#3184BA #3140BA #6631BA

triadic

#3140BA #BA3140 #40BA31

tetradic

#3140BA #BA3184 #BAAB31 #31BA66

square

#3140BA #BA3184 #BAAB31 #31BA66

split-complementary

#3140BA #BA6631 #84BA31

monochromatic

#171F59 #242F8A #3140BA #5663D2 #8690DF

Accessibility & contrast

On white

8.16

#3140BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3140BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3140BA

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3140BA	#FFFFFF	#000000	##FFFFFF
##3140BA	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BE

Deuteranopia (green-blind)

#0049B8

Tritanopia (blue-blind)

#006077

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3140ba;
/* rgb */ color: rgb(49, 64, 186);
/* oklch */ color: oklch(44.3% 0.190 270.7);

Tailwind

colors: {
  custom: {
    50: '#7d75d0',
    500: '#3140ba',
    950: '#000000',
  },
}

SCSS

$custom: #3140ba;
$custom-light: #7d75d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3140ba",
  "rgb": {
    "r": 49,
    "g": 64,
    "b": 186
  },
  "hsl": {
    "h": 233.431,
    "s": 58.298,
    "l": 46.078
  },
  "oklch": {
    "l": 0.44302,
    "c": 0.19033,
    "h": 270.7
  },
  "luminance": 0.07865
}

Semantic roles & 50–950 ramp

primary

#3140BA

secondary

#C9C17E

accent

#D146E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3140BA

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

Preview Lab → · Contrast checker → · Palette generator →