#4151A4#4151A4

#4151A4 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 46.7% C 0.134 H 272.0°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#4151A4
RGB	rgb(65, 81, 164)
HSL	hsl(230, 43%, 45%)
HSV	hsv(230, 60%, 64%)
CMYK	cmyk(60.4%, 50.6%, 0%, 35.7%)
CIE-LAB	lab(37.28, 19.94, -46.90)
CIE-LCH	lch(37.28, 50.96, 293.03°)
OKLab	oklab(46.68% 0.0047 -0.1342)
OKLCH	oklch(46.68% 0.134 272)
XYZ	xyz(11.8210, 9.6881, 36.3618)
Luminance	0.0969 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151A4 #A49441

analogous

#4183A4 #4151A4 #6341A4

triadic

#4151A4 #A44151 #51A441

tetradic

#4151A4 #A44183 #A49441 #41A463

square

#4151A4 #A44183 #A49441 #41A463

split-complementary

#4151A4 #A46341 #83A441

monochromatic

#1E264C #303B78 #4151A4 #6271C1 #8D98D2

Accessibility & contrast

On white

7.15

#4151A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#4151A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4151A4

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151A4	#FFFFFF	#000000	##FFFFFF
##4151A4	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#255CA7

Deuteranopia (green-blind)

#1154A2

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #4151a4;
/* rgb */ color: rgb(65, 81, 164);
/* oklch */ color: oklch(46.7% 0.134 272.0);

Tailwind

colors: {
  custom: {
    50: '#7f81bf',
    500: '#4151a4',
    950: '#000000',
  },
}

SCSS

$custom: #4151a4;
$custom-light: #7f81bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4151a4",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 164
  },
  "hsl": {
    "h": 230.303,
    "s": 43.231,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4668,
    "c": 0.13425,
    "h": 272
  },
  "luminance": 0.09689
}

Semantic roles & 50–950 ramp

primary

#4151A4

secondary

#BDB484

accent

#BF55D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #4151A4

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

Preview Lab → · Contrast checker → · Palette generator →