#4151CA#4151CA

#4151CA is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.6% C 0.187 H 271.9°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4151CA
RGB	rgb(65, 81, 202)
HSL	hsl(233, 56%, 52%)
HSV	hsv(233, 68%, 79%)
CMYK	cmyk(67.8%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(40.03, 33.28, -64.78)
CIE-LCH	lch(40.03, 72.82, 297.19°)
OKLab	oklab(49.62% 0.0063 -0.1867)
OKLCH	oklch(49.62% 0.187 271.9)
XYZ	xyz(15.7795, 11.2715, 57.2097)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151CA #CABA41

analogous

#4195CA #4151CA #7641CA

triadic

#4151CA #CA4151 #51CA41

tetradic

#4151CA #CA4195 #CABA41 #41CA76

square

#4151CA #CA4195 #CABA41 #41CA76

split-complementary

#4151CA #CA7641 #95CA41

monochromatic

#202971 #2D3AA1 #4151CA #717DD7 #A1A9E5

Accessibility & contrast

On white

6.45

#4151CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#4151CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151CA

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151CA	#FFFFFF	#000000	##FFFFFF
##4151CA	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#0058C8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4151ca;
/* rgb */ color: rgb(65, 81, 202);
/* oklch */ color: oklch(49.6% 0.187 271.9);

Tailwind

colors: {
  custom: {
    50: '#8681db',
    500: '#4151ca',
    950: '#000000',
  },
}

SCSS

$custom: #4151ca;
$custom-light: #8681db;
$custom-dark: #000000;

JSON

{
  "hex": "#4151ca",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 232.993,
    "s": 56.379,
    "l": 52.353
  },
  "oklch": {
    "l": 0.49616,
    "c": 0.18685,
    "h": 271.9
  },
  "luminance": 0.11273
}

Semantic roles & 50–950 ramp

primary

#4151CA

secondary

#D1CA96

accent

#CE48E0

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4151CA

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

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