#4151CD#4151CD

#4151CD is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.191 H 271.9°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4151CD
RGB	rgb(65, 81, 205)
HSL	hsl(233, 58%, 53%)
HSV	hsv(233, 68%, 80%)
CMYK	cmyk(68.3%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(40.27, 34.32, -66.12)
CIE-LCH	lch(40.27, 74.50, 297.43°)
OKLab	oklab(49.86% 0.0063 -0.1907)
OKLCH	oklch(49.86% 0.191 271.9)
XYZ	xyz(16.1381, 11.4149, 59.0986)
Luminance	0.1142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151CD #CDBD41

analogous

#4197CD #4151CD #7741CD

triadic

#4151CD #CD4151 #51CD41

tetradic

#4151CD #CD4197 #CDBD41 #41CD77

square

#4151CD #CD4197 #CDBD41 #41CD77

split-complementary

#4151CD #CD7741 #97CD41

monochromatic

#1F2975 #2C39A5 #4151CD #717DDA #A2AAE6

Accessibility & contrast

On white

6.40

#4151CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4151CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151CD

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151CD	#FFFFFF	#000000	##FFFFFF
##4151CD	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4151cd;
/* rgb */ color: rgb(65, 81, 205);
/* oklch */ color: oklch(49.9% 0.191 271.9);

Tailwind

colors: {
  custom: {
    50: '#8781dd',
    500: '#4151cd',
    950: '#000000',
  },
}

SCSS

$custom: #4151cd;
$custom-light: #8781dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4151cd",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 233.143,
    "s": 58.333,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49865,
    "c": 0.1908,
    "h": 271.9
  },
  "luminance": 0.11416
}

Semantic roles & 50–950 ramp

primary

#4151CD

secondary

#D3CC97

accent

#D046E2

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #4151CD

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

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