#4151C8#4151C8

#4151C8 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.5% C 0.184 H 272.0°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4151C8
RGB	rgb(65, 81, 200)
HSL	hsl(233, 55%, 52%)
HSV	hsv(233, 68%, 78%)
CMYK	cmyk(67.5%, 59.5%, 0%, 21.6%)
CIE-LAB	lab(39.88, 32.58, -63.87)
CIE-LCH	lch(39.88, 71.70, 297.02°)
OKLab	oklab(49.45% 0.0064 -0.1841)
OKLCH	oklch(49.45% 0.184 272)
XYZ	xyz(15.5442, 11.1774, 55.9707)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C8 #C8B841

analogous

#4195C8 #4151C8 #7541C8

triadic

#4151C8 #C84151 #51C841

tetradic

#4151C8 #C84195 #C8B841 #41C875

square

#4151C8 #C84195 #C8B841 #41C875

split-complementary

#4151C8 #C87541 #95C841

monochromatic

#20296F #2E3B9E #4151C8 #707CD6 #A0A8E3

Accessibility & contrast

On white

6.49

#4151C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4151C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C8

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C8	#FFFFFF	#000000	##FFFFFF
##4151C8	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CC

Deuteranopia (green-blind)

#0058C6

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4151c8;
/* rgb */ color: rgb(65, 81, 200);
/* oklch */ color: oklch(49.5% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#8681da',
    500: '#4151c8',
    950: '#000000',
  },
}

SCSS

$custom: #4151c8;
$custom-light: #8681da;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c8",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 200
  },
  "hsl": {
    "h": 232.889,
    "s": 55.102,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49451,
    "c": 0.18419,
    "h": 272
  },
  "luminance": 0.11179
}

Semantic roles & 50–950 ramp

primary

#4151C8

secondary

#D0C995

accent

#CD49DE

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4151C8

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

Preview Lab → · Contrast checker → · Palette generator →