#4155AB#4155AB

#4155AB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.139 H 270.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4155AB
RGB	rgb(65, 85, 171)
HSL	hsl(229, 45%, 46%)
HSV	hsv(229, 62%, 67%)
CMYK	cmyk(62%, 50.3%, 0%, 32.9%)
CIE-LAB	lab(38.83, 19.80, -48.57)
CIE-LCH	lch(38.83, 52.45, 292.18°)
OKLab	oklab(48% 0.0013 -0.139)
OKLCH	oklch(48% 0.139 270.5)
XYZ	xyz(12.7767, 10.5600, 39.8852)
Luminance	0.1056 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155AB #AB9741

analogous

#418AAB #4155AB #6241AB

triadic

#4155AB #AB4155 #55AB41

tetradic

#4155AB #AB418A #AB9741 #41AB62

square

#4155AB #AB418A #AB9741 #41AB62

split-complementary

#4155AB #AB6241 #8AAB41

monochromatic

#1F2952 #303F7F #4155AB #6577C4 #919ED5

Accessibility & contrast

On white

6.75

#4155AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4155AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155AB

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155AB	#FFFFFF	#000000	##FFFFFF
##4155AB	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)

#2760AE

Deuteranopia (green-blind)

#0F57A9

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4155ab;
/* rgb */ color: rgb(65, 85, 171);
/* oklch */ color: oklch(48.0% 0.139 270.5);

Tailwind

colors: {
  custom: {
    50: '#8084c4',
    500: '#4155ab',
    950: '#000000',
  },
}

SCSS

$custom: #4155ab;
$custom-light: #8084c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4155ab",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 171
  },
  "hsl": {
    "h": 228.679,
    "s": 44.915,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48004,
    "c": 0.13904,
    "h": 270.5
  },
  "luminance": 0.10561
}

Semantic roles & 50–950 ramp

primary

#4155AB

secondary

#C1B687

accent

#BC53D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4155AB

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

Preview Lab → · Contrast checker → · Palette generator →