#4051C8#4051C8

#4051C8 is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.4% C 0.184 H 271.7°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#4051C8
RGB	rgb(64, 81, 200)
HSL	hsl(233, 55%, 52%)
HSV	hsv(233, 68%, 78%)
CMYK	cmyk(68%, 59.5%, 0%, 21.6%)
CIE-LAB	lab(39.82, 32.44, -63.97)
CIE-LCH	lch(39.82, 71.72, 296.89°)
OKLab	oklab(49.39% 0.0053 -0.1844)
OKLCH	oklch(49.39% 0.184 271.7)
XYZ	xyz(15.4786, 11.1435, 55.9676)
Luminance	0.1114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4051C8 #C8B740

analogous

#4095C8 #4051C8 #7340C8

triadic

#4051C8 #C84051 #51C840

tetradic

#4051C8 #C84095 #C8B740 #40C873

square

#4051C8 #C84095 #C8B740 #40C873

split-complementary

#4051C8 #C87340 #95C840

monochromatic

#20296E #2D3B9D #4051C8 #707CD6 #9FA8E3

Accessibility & contrast

On white

6.50

#4051C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#4051C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4051C8

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4051C8	#FFFFFF	#000000	##FFFFFF
##4051C8	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	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: #4051c8;
/* rgb */ color: rgb(64, 81, 200);
/* oklch */ color: oklch(49.4% 0.184 271.7);

Tailwind

colors: {
  custom: {
    50: '#8581da',
    500: '#4051c8',
    950: '#000000',
  },
}

SCSS

$custom: #4051c8;
$custom-light: #8581da;
$custom-dark: #000000;

JSON

{
  "hex": "#4051c8",
  "rgb": {
    "r": 64,
    "g": 81,
    "b": 200
  },
  "hsl": {
    "h": 232.5,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49394,
    "c": 0.18446,
    "h": 271.7
  },
  "luminance": 0.11145
}

Semantic roles & 50–950 ramp

primary

#4051C8

secondary

#D0C894

accent

#CC49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4051C8

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

Preview Lab → · Contrast checker → · Palette generator →