#4151A3#4151A3

#4151A3 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.6% C 0.133 H 272.0°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#4151A3
RGB	rgb(65, 81, 163)
HSL	hsl(230, 43%, 45%)
HSV	hsv(230, 60%, 64%)
CMYK	cmyk(60.1%, 50.3%, 0%, 36.1%)
CIE-LAB	lab(37.21, 19.59, -46.41)
CIE-LCH	lch(37.21, 50.38, 292.88°)
OKLab	oklab(46.61% 0.0046 -0.1327)
OKLCH	oklch(46.61% 0.133 272)
XYZ	xyz(11.7311, 9.6521, 35.8881)
Luminance	0.0965 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151A3 #A39341

analogous

#4182A3 #4151A3 #6241A3

triadic

#4151A3 #A34151 #51A341

tetradic

#4151A3 #A34182 #A39341 #41A362

square

#4151A3 #A34182 #A39341 #41A362

split-complementary

#4151A3 #A36241 #82A341

monochromatic

#1E264B #303B77 #4151A3 #6171C0 #8D98D1

Accessibility & contrast

On white

7.17

#4151A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#4151A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4151A3

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151A3	#FFFFFF	#000000	##FFFFFF
##4151A3	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#265CA6

Deuteranopia (green-blind)

#1353A1

Tritanopia (blue-blind)

#006472

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4151a3;
/* rgb */ color: rgb(65, 81, 163);
/* oklch */ color: oklch(46.6% 0.133 272.0);

Tailwind

colors: {
  custom: {
    50: '#7f81bf',
    500: '#4151a3',
    950: '#000000',
  },
}

SCSS

$custom: #4151a3;
$custom-light: #7f81bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4151a3",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 163
  },
  "hsl": {
    "h": 230.204,
    "s": 42.982,
    "l": 44.706
  },
  "oklch": {
    "l": 0.46609,
    "c": 0.13281,
    "h": 272
  },
  "luminance": 0.09653
}

Semantic roles & 50–950 ramp

primary

#4151A3

secondary

#BDB383

accent

#BE55D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4151A3

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

Preview Lab → · Contrast checker → · Palette generator →