#4151B3#4151B3

#4151B3 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.8% C 0.156 H 272.2°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#4151B3
RGB	rgb(65, 81, 179)
HSL	hsl(232, 47%, 48%)
HSV	hsv(232, 64%, 70%)
CMYK	cmyk(63.7%, 54.7%, 0%, 29.8%)
CIE-LAB	lab(38.31, 25.21, -54.14)
CIE-LCH	lch(38.31, 59.72, 294.97°)
OKLab	oklab(47.79% 0.0059 -0.1555)
OKLCH	oklch(47.79% 0.156 272.2)
XYZ	xyz(13.2564, 10.2622, 43.9213)
Luminance	0.1026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151B3 #B3A341

analogous

#418AB3 #4151B3 #6A41B3

triadic

#4151B3 #B34151 #51B341

tetradic

#4151B3 #B3418A #B3A341 #41B36A

square

#4151B3 #B3418A #B3A341 #41B36A

split-complementary

#4151B3 #B36A41 #8AB341

monochromatic

#202859 #313D86 #4151B3 #6976C8 #969FD9

Accessibility & contrast

On white

6.88

#4151B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#4151B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151B3

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151B3	#FFFFFF	#000000	##FFFFFF
##4151B3	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#085FB6

Deuteranopia (green-blind)

#0055B1

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4151b3;
/* rgb */ color: rgb(65, 81, 179);
/* oklch */ color: oklch(47.8% 0.156 272.2);

Tailwind

colors: {
  custom: {
    50: '#8181ca',
    500: '#4151b3',
    950: '#000000',
  },
}

SCSS

$custom: #4151b3;
$custom-light: #8181ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4151b3",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 179
  },
  "hsl": {
    "h": 231.579,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47787,
    "c": 0.15558,
    "h": 272.2
  },
  "luminance": 0.10263
}

Semantic roles & 50–950 ramp

primary

#4151B3

secondary

#C4BC8B

accent

#C451D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4151B3

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

Preview Lab → · Contrast checker → · Palette generator →