#4151C9#4151C9

#4151C9 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.5% C 0.186 H 272.0°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#4151C9
RGB	rgb(65, 81, 201)
HSL	hsl(233, 56%, 52%)
HSV	hsv(233, 68%, 79%)
CMYK	cmyk(67.7%, 59.7%, 0%, 21.2%)
CIE-LAB	lab(39.96, 32.93, -64.32)
CIE-LCH	lch(39.96, 72.26, 297.11°)
OKLab	oklab(49.53% 0.0064 -0.1854)
OKLCH	oklch(49.53% 0.186 272)
XYZ	xyz(15.6615, 11.2243, 56.5882)
Luminance	0.1123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151C9 #C9B941

analogous

#4195C9 #4151C9 #7541C9

triadic

#4151C9 #C94151 #51C941

tetradic

#4151C9 #C94195 #C9B941 #41C975

square

#4151C9 #C94195 #C9B941 #41C975

split-complementary

#4151C9 #C97541 #95C941

monochromatic

#202970 #2D3B9F #4151C9 #717DD7 #A0A8E4

Accessibility & contrast

On white

6.47

#4151C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4151C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151C9

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151C9	#FFFFFF	#000000	##FFFFFF
##4151C9	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064CD

Deuteranopia (green-blind)

#0058C7

Tritanopia (blue-blind)

#006F85

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4151c9;
/* rgb */ color: rgb(65, 81, 201);
/* oklch */ color: oklch(49.5% 0.186 272.0);

Tailwind

colors: {
  custom: {
    50: '#8681da',
    500: '#4151c9',
    950: '#000000',
  },
}

SCSS

$custom: #4151c9;
$custom-light: #8681da;
$custom-dark: #000000;

JSON

{
  "hex": "#4151c9",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 201
  },
  "hsl": {
    "h": 232.941,
    "s": 55.738,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49533,
    "c": 0.18552,
    "h": 272
  },
  "luminance": 0.11226
}

Semantic roles & 50–950 ramp

primary

#4151C9

secondary

#D1CA95

accent

#CD49DF

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4151C9

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

Preview Lab → · Contrast checker → · Palette generator →