#4151AF#4151AF

#4151AF is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.5% C 0.150 H 272.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4151AF
RGB	rgb(65, 81, 175)
HSL	hsl(231, 46%, 47%)
HSV	hsv(231, 63%, 69%)
CMYK	cmyk(62.9%, 53.7%, 0%, 31.4%)
CIE-LAB	lab(38.03, 23.80, -52.23)
CIE-LCH	lch(38.03, 57.40, 294.50°)
OKLab	oklab(47.49% 0.0057 -0.1499)
OKLCH	oklch(47.49% 0.15 272.2)
XYZ	xyz(12.8577, 10.1027, 41.8216)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4151AF #AF9F41

analogous

#4188AF #4151AF #6841AF

triadic

#4151AF #AF4151 #51AF41

tetradic

#4151AF #AF4188 #AF9F41 #41AF68

square

#4151AF #AF4188 #AF9F41 #41AF68

split-complementary

#4151AF #AF6841 #88AF41

monochromatic

#202856 #303C82 #4151AF #6775C6 #939DD7

Accessibility & contrast

On white

6.95

#4151AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4151AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4151AF

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4151AF	#FFFFFF	#000000	##FFFFFF
##4151AF	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145FB2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006778

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4151af;
/* rgb */ color: rgb(65, 81, 175);
/* oklch */ color: oklch(47.5% 0.150 272.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#4151af",
  "rgb": {
    "r": 65,
    "g": 81,
    "b": 175
  },
  "hsl": {
    "h": 231.273,
    "s": 45.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47485,
    "c": 0.14997,
    "h": 272.2
  },
  "luminance": 0.10104
}

Semantic roles & 50–950 ramp

primary

#4151AF

secondary

#C2BA89

accent

#C252D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4151AF

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

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