#4153B7#4153B7

#4153B7 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.159 H 271.5°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4153B7
RGB	rgb(65, 83, 183)
HSL	hsl(231, 48%, 49%)
HSV	hsv(231, 64%, 72%)
CMYK	cmyk(64.5%, 54.6%, 0%, 28.2%)
CIE-LAB	lab(39.12, 25.33, -55.18)
CIE-LCH	lch(39.12, 60.72, 294.65°)
OKLab	oklab(48.49% 0.0042 -0.1585)
OKLCH	oklch(48.49% 0.159 271.5)
XYZ	xyz(13.8176, 10.7280, 46.1331)
Luminance	0.1073 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4153B7 #B7A541

analogous

#418EB7 #4153B7 #6A41B7

triadic

#4153B7 #B74153 #53B741

tetradic

#4153B7 #B7418E #B7A541 #41B76A

square

#4153B7 #B7418E #B7A541 #41B76A

split-complementary

#4153B7 #B76A41 #8EB741

monochromatic

#212A5D #313F8A #4153B7 #6B79CA #98A2DA

Accessibility & contrast

On white

6.68

#4153B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4153B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153B7

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4153B7	#FFFFFF	#000000	##FFFFFF
##4153B7	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0762BA

Deuteranopia (green-blind)

#0057B5

Tritanopia (blue-blind)

#006B7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4153b7;
/* rgb */ color: rgb(65, 83, 183);
/* oklch */ color: oklch(48.5% 0.159 271.5);

Tailwind

colors: {
  custom: {
    50: '#8283cd',
    500: '#4153b7',
    950: '#000000',
  },
}

SCSS

$custom: #4153b7;
$custom-light: #8283cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4153b7",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 183
  },
  "hsl": {
    "h": 230.847,
    "s": 47.581,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48485,
    "c": 0.15857,
    "h": 271.5
  },
  "luminance": 0.10729
}

Semantic roles & 50–950 ramp

primary

#4153B7

secondary

#C6BE8E

accent

#C351D7

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4153B7

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

Preview Lab → · Contrast checker → · Palette generator →