#4153B3#4153B3

#4153B3 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.2% C 0.153 H 271.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4153B3
RGB	rgb(65, 83, 179)
HSL	hsl(231, 47%, 48%)
HSV	hsv(231, 64%, 70%)
CMYK	cmyk(63.7%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(38.84, 23.92, -53.29)
CIE-LCH	lch(38.84, 58.41, 294.17°)
OKLab	oklab(48.18% 0.004 -0.1529)
OKLCH	oklch(48.18% 0.153 271.5)
XYZ	xyz(13.4072, 10.5638, 43.9716)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4153B3 #B3A141

analogous

#418CB3 #4153B3 #6841B3

triadic

#4153B3 #B34153 #53B341

tetradic

#4153B3 #B3418C #B3A141 #41B368

square

#4153B3 #B3418C #B3A141 #41B368

split-complementary

#4153B3 #B36841 #8CB341

monochromatic

#202959 #313E86 #4153B3 #6978C8 #96A0D9

Accessibility & contrast

On white

6.75

#4153B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4153B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153B3

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4153B3	#FFFFFF	#000000	##FFFFFF
##4153B3	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1361B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4153b3;
/* rgb */ color: rgb(65, 83, 179);
/* oklch */ color: oklch(48.2% 0.153 271.5);

Tailwind

colors: {
  custom: {
    50: '#8183ca',
    500: '#4153b3',
    950: '#000000',
  },
}

SCSS

$custom: #4153b3;
$custom-light: #8183ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4153b3",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 230.526,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48183,
    "c": 0.15298,
    "h": 271.5
  },
  "luminance": 0.10565
}

Semantic roles & 50–950 ramp

primary

#4153B3

secondary

#C4BB8B

accent

#C151D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4153B3

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

Preview Lab → · Contrast checker → · Palette generator →