#4153B9#4153B9

#4153B9 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.6% C 0.161 H 271.5°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4153B9
RGB	rgb(65, 83, 185)
HSL	hsl(231, 48%, 49%)
HSV	hsv(231, 65%, 73%)
CMYK	cmyk(64.9%, 55.1%, 0%, 27.5%)
CIE-LAB	lab(39.26, 26.03, -56.13)
CIE-LCH	lch(39.26, 61.87, 294.88°)
OKLab	oklab(48.64% 0.0044 -0.1613)
OKLCH	oklch(48.64% 0.161 271.5)
XYZ	xyz(14.0272, 10.8119, 47.2372)
Luminance	0.1081 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4153B9 #B9A741

analogous

#418FB9 #4153B9 #6B41B9

triadic

#4153B9 #B94153 #53B941

tetradic

#4153B9 #B9418F #B9A741 #41B96B

square

#4153B9 #B9418F #B9A741 #41B96B

split-complementary

#4153B9 #B96B41 #8FB941

monochromatic

#212A5E #313F8C #4153B9 #6C7ACB #99A3DB

Accessibility & contrast

On white

6.64

#4153B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4153B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4153B9

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4153B9	#FFFFFF	#000000	##FFFFFF
##4153B9	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BD

Deuteranopia (green-blind)

#0057B7

Tritanopia (blue-blind)

#006B7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4153b9;
/* rgb */ color: rgb(65, 83, 185);
/* oklch */ color: oklch(48.6% 0.161 271.5);

Tailwind

colors: {
  custom: {
    50: '#8283cf',
    500: '#4153b9',
    950: '#000000',
  },
}

SCSS

$custom: #4153b9;
$custom-light: #8283cf;
$custom-dark: #000000;

JSON

{
  "hex": "#4153b9",
  "rgb": {
    "r": 65,
    "g": 83,
    "b": 185
  },
  "hsl": {
    "h": 231,
    "s": 48,
    "l": 49.02
  },
  "oklch": {
    "l": 0.48638,
    "c": 0.16134,
    "h": 271.5
  },
  "luminance": 0.10813
}

Semantic roles & 50–950 ramp

primary

#4153B9

secondary

#C7BF8F

accent

#C350D8

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4153B9

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

Preview Lab → · Contrast checker → · Palette generator →