#4151A5#4151A5

#4151A5 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.8% C 0.136 H 272.0°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX	#4151A5
RGB	rgb(65, 81, 165)
HSL	hsl(230, 43%, 45%)
HSV	hsv(230, 61%, 65%)
CMYK	cmyk(60.6%, 50.9%, 0%, 35.3%)
CIE-LAB	lab(37.34, 20.29, -47.39)
CIE-LCH	lch(37.34, 51.55, 293.18°)
OKLab	oklab(46.75% 0.0048 -0.1356)
OKLCH	oklch(46.75% 0.136 272)
XYZ	xyz(11.9117, 9.7243, 36.8393)
Luminance	0.0973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151A5 #A59541

analogous

#4183A5 #4151A5 #6341A5

triadic

#4151A5 #A54151 #51A541

tetradic

#4151A5 #A54183 #A59541 #41A563

square

#4151A5 #A54183 #A59541 #41A563

split-complementary

#4151A5 #A56341 #83A541

monochromatic

#1E264D #303B79 #4151A5 #6271C1 #8E99D2

Accessibility & contrast

On white

7.13

#4151A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#4151A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4151A5

7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151A5	#FFFFFF	#000000	##FFFFFF
##4151A5	1.00	7.13	2.95	7.13
#FFFFFF	7.13	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#245CA8

Deuteranopia (green-blind)

#0E54A3

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4151a5;
/* rgb */ color: rgb(65, 81, 165);
/* oklch */ color: oklch(46.8% 0.136 272.0);

Tailwind

colors: {
  custom: {
    50: '#7f81c0',
    500: '#4151a5',
    950: '#000000',
  },
}

SCSS

$custom: #4151a5;
$custom-light: #7f81c0;
$custom-dark: #000000;

JSON

{
  "hex": "#4151a5",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 165
  },
  "hsl": {
    "h": 230.4,
    "s": 43.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.46751,
    "c": 0.1357,
    "h": 272
  },
  "luminance": 0.09725
}

Semantic roles & 50–950 ramp

primary

#4151A5

secondary

#BEB484

accent

#BF55D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4151A5

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

Preview Lab → · Contrast checker → · Palette generator →