#4131BC#4131BC

#4131BC is a dark, highly saturated blue. Relative luminance 0.070; OKLCH L 43.2% C 0.205 H 278.6°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#4131BC
RGB	rgb(65, 49, 188)
HSL	hsl(247, 59%, 46%)
HSV	hsv(247, 74%, 74%)
CMYK	cmyk(65.4%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(31.69, 47.69, -70.26)
CIE-LCH	lch(31.69, 84.91, 304.17°)
OKLab	oklab(43.19% 0.0307 -0.2029)
OKLCH	oklch(43.19% 0.205 278.6)
XYZ	xyz(12.3525, 6.9503, 48.2578)
Luminance	0.0695 (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

#4131BC #ACBC31

analogous

#3167BC #4131BC #8731BC

triadic

#4131BC #BC4131 #31BC41

tetradic

#4131BC #BC3167 #ACBC31 #31BC87

square

#4131BC #BC3167 #ACBC31 #31BC87

split-complementary

#4131BC #BC8731 #67BC31

monochromatic

#1F185B #30248B #4131BC #6557D3 #9288E0

Accessibility & contrast

On white

8.79

#4131BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#4131BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4131BC

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4131BC	#FFFFFF	#000000	##FFFFFF
##4131BC	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050C0

Deuteranopia (green-blind)

#0045B9

Tritanopia (blue-blind)

#005874

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4131bc;
/* rgb */ color: rgb(65, 49, 188);
/* oklch */ color: oklch(43.2% 0.205 278.6);

Tailwind

colors: {
  custom: {
    50: '#866cd1',
    500: '#4131bc',
    950: '#000000',
  },
}

SCSS

$custom: #4131bc;
$custom-light: #866cd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4131bc",
  "rgb": {
    "r": 65,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 246.906,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.43189,
    "c": 0.20517,
    "h": 278.6
  },
  "luminance": 0.06951
}

Semantic roles & 50–950 ramp

primary

#4131BC

secondary

#C1CA7F

accent

#E246D0

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4131BC

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

Preview Lab → · Contrast checker → · Palette generator →