#4151AE#4151AE

#4151AE is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.149 H 272.2°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4151AE
RGB	rgb(65, 81, 174)
HSL	hsl(231, 46%, 47%)
HSV	hsv(231, 63%, 68%)
CMYK	cmyk(62.6%, 53.4%, 0%, 31.8%)
CIE-LAB	lab(37.96, 23.45, -51.75)
CIE-LCH	lch(37.96, 56.82, 294.37°)
OKLab	oklab(47.41% 0.0056 -0.1484)
OKLCH	oklch(47.41% 0.149 272.2)
XYZ	xyz(12.7598, 10.0636, 41.3062)
Luminance	0.1007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151AE #AE9E41

analogous

#4188AE #4151AE #6841AE

triadic

#4151AE #AE4151 #51AE41

tetradic

#4151AE #AE4188 #AE9E41 #41AE68

square

#4151AE #AE4188 #AE9E41 #41AE68

split-complementary

#4151AE #AE6841 #88AE41

monochromatic

#202855 #303C81 #4151AE #6674C6 #939DD7

Accessibility & contrast

On white

6.97

#4151AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4151AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151AE

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151AE	#FFFFFF	#000000	##FFFFFF
##4151AE	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#165EB1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006777

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4151ae;
/* rgb */ color: rgb(65, 81, 174);
/* oklch */ color: oklch(47.4% 0.149 272.2);

Tailwind

colors: {
  custom: {
    50: '#8181c7',
    500: '#4151ae',
    950: '#000000',
  },
}

SCSS

$custom: #4151ae;
$custom-light: #8181c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4151ae",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 174
  },
  "hsl": {
    "h": 231.193,
    "s": 45.607,
    "l": 46.863
  },
  "oklch": {
    "l": 0.4741,
    "c": 0.14856,
    "h": 272.2
  },
  "luminance": 0.10065
}

Semantic roles & 50–950 ramp

primary

#4151AE

secondary

#C2BA89

accent

#C253D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4151AE

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

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