#4151D3#4151D3

#4151D3 is a mid, vivid blue. Relative luminance 0.117; OKLCH L 50.4% C 0.199 H 271.8°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#4151D3
RGB	rgb(65, 81, 211)
HSL	hsl(233, 62%, 54%)
HSV	hsv(233, 69%, 83%)
CMYK	cmyk(69.2%, 61.6%, 0%, 17.3%)
CIE-LAB	lab(40.75, 36.41, -68.80)
CIE-LCH	lch(40.75, 77.84, 297.89°)
OKLab	oklab(50.37% 0.0061 -0.1985)
OKLCH	oklch(50.37% 0.199 271.8)
XYZ	xyz(16.8763, 11.7102, 62.9863)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151D3 #D3C341

analogous

#419AD3 #4151D3 #7A41D3

triadic

#4151D3 #D34151 #51D341

tetradic

#4151D3 #D3419A #D3C341 #41D37A

square

#4151D3 #D3419A #D3C341 #41D37A

split-complementary

#4151D3 #D37A41 #9AD341

monochromatic

#1D277D #2837AE #4151D3 #737FDF #A4ACEA

Accessibility & contrast

On white

6.28

#4151D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#4151D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151D3

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151D3	#FFFFFF	#000000	##FFFFFF
##4151D3	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#0059D0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4151d3;
/* rgb */ color: rgb(65, 81, 211);
/* oklch */ color: oklch(50.4% 0.199 271.8);

Tailwind

colors: {
  custom: {
    50: '#8882e2',
    500: '#4151d3',
    950: '#000000',
  },
}

SCSS

$custom: #4151d3;
$custom-light: #8882e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4151d3",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 211
  },
  "hsl": {
    "h": 233.425,
    "s": 62.393,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5037,
    "c": 0.19863,
    "h": 271.8
  },
  "luminance": 0.11712
}

Semantic roles & 50–950 ramp

primary

#4151D3

secondary

#D7D099

accent

#D442E5

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4151D3

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

Preview Lab → · Contrast checker → · Palette generator →