#4153B5#4153B5

#4153B5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.3% C 0.156 H 271.5°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4153B5
RGB	rgb(65, 83, 181)
HSL	hsl(231, 47%, 48%)
HSV	hsv(231, 64%, 71%)
CMYK	cmyk(64.1%, 54.1%, 0%, 29%)
CIE-LAB	lab(38.98, 24.62, -54.24)
CIE-LCH	lch(38.98, 59.56, 294.42°)
OKLab	oklab(48.33% 0.0041 -0.1557)
OKLCH	oklch(48.33% 0.156 271.5)
XYZ	xyz(13.6109, 10.6453, 45.0446)
Luminance	0.1065 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4153B5 #B5A341

analogous

#418DB5 #4153B5 #6941B5

triadic

#4153B5 #B54153 #53B541

tetradic

#4153B5 #B5418D #B5A341 #41B569

square

#4153B5 #B5418D #B5A341 #41B569

split-complementary

#4153B5 #B56941 #8DB541

monochromatic

#212A5B #313E88 #4153B5 #6A79C9 #97A1DA

Accessibility & contrast

On white

6.71

#4153B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4153B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153B5

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4153B5	#FFFFFF	#000000	##FFFFFF
##4153B5	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E61B8

Deuteranopia (green-blind)

#0057B3

Tritanopia (blue-blind)

#006A7C

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4153b5;
/* rgb */ color: rgb(65, 83, 181);
/* oklch */ color: oklch(48.3% 0.156 271.5);

Tailwind

colors: {
  custom: {
    50: '#8283cc',
    500: '#4153b5',
    950: '#000000',
  },
}

SCSS

$custom: #4153b5;
$custom-light: #8283cc;
$custom-dark: #000000;

JSON

{
  "hex": "#4153b5",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 181
  },
  "hsl": {
    "h": 230.69,
    "s": 47.154,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48333,
    "c": 0.15578,
    "h": 271.5
  },
  "luminance": 0.10647
}

Semantic roles & 50–950 ramp

primary

#4153B5

secondary

#C5BC8C

accent

#C251D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4153B5

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

Preview Lab → · Contrast checker → · Palette generator →