#4131B7#4131B7

#4131B7 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.7% C 0.199 H 279.2°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#4131B7
RGB	rgb(65, 49, 183)
HSL	hsl(247, 58%, 45%)
HSV	hsv(247, 73%, 72%)
CMYK	cmyk(64.5%, 73.2%, 0%, 28.2%)
CIE-LAB	lab(31.20, 46.13, -68.10)
CIE-LCH	lch(31.20, 82.26, 304.11°)
OKLab	oklab(42.69% 0.0318 -0.1966)
OKLCH	oklch(42.69% 0.199 279.2)
XYZ	xyz(11.8228, 6.7384, 45.4682)
Luminance	0.0674 (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

#4131B7 #A7B731

analogous

#3164B7 #4131B7 #8431B7

triadic

#4131B7 #B74131 #31B741

tetradic

#4131B7 #B73164 #A7B731 #31B784

square

#4131B7 #B73164 #A7B731 #31B784

split-complementary

#4131B7 #B78431 #64B731

monochromatic

#1F1756 #302487 #4131B7 #6354D1 #8F84DE

Accessibility & contrast

On white

8.94

#4131B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#4131B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4131B7

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4131B7	#FFFFFF	#000000	##FFFFFF
##4131B7	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FBB

Deuteranopia (green-blind)

#0044B5

Tritanopia (blue-blind)

#005771

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #4131b7;
/* rgb */ color: rgb(65, 49, 183);
/* oklch */ color: oklch(42.7% 0.199 279.2);

Tailwind

colors: {
  custom: {
    50: '#856bce',
    500: '#4131b7',
    950: '#000000',
  },
}

SCSS

$custom: #4131b7;
$custom-light: #856bce;
$custom-dark: #000000;

JSON

{
  "hex": "#4131b7",
  "rgb": {
    "r": 65,
    "g": 49,
    "b": 183
  },
  "hsl": {
    "h": 247.164,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.42694,
    "c": 0.19913,
    "h": 279.2
  },
  "luminance": 0.06739
}

Semantic roles & 50–950 ramp

primary

#4131B7

secondary

#BFC87C

accent

#E147CF

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4131B7

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

Preview Lab → · Contrast checker → · Palette generator →