#4154B3#4154B3

#4154B3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.4% C 0.152 H 271.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4154B3
RGB	rgb(65, 84, 179)
HSL	hsl(230, 47%, 48%)
HSV	hsv(230, 64%, 70%)
CMYK	cmyk(63.7%, 53.1%, 0%, 29.8%)
CIE-LAB	lab(39.10, 23.27, -52.86)
CIE-LCH	lch(39.10, 57.75, 293.76°)
OKLab	oklab(48.38% 0.003 -0.1517)
OKLCH	oklch(48.38% 0.152 271.1)
XYZ	xyz(13.4842, 10.7180, 43.9973)
Luminance	0.1072 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154B3 #B3A041

analogous

#418DB3 #4154B3 #6741B3

triadic

#4154B3 #B34154 #54B341

tetradic

#4154B3 #B3418D #B3A041 #41B367

square

#4154B3 #B3418D #B3A041 #41B367

split-complementary

#4154B3 #B36741 #8DB341

monochromatic

#202A59 #313F86 #4154B3 #6979C8 #96A1D9

Accessibility & contrast

On white

6.68

#4154B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4154B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154B3

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154B3	#FFFFFF	#000000	##FFFFFF
##4154B3	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1861B6

Deuteranopia (green-blind)

#0057B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4154b3;
/* rgb */ color: rgb(65, 84, 179);
/* oklch */ color: oklch(48.4% 0.152 271.1);

Tailwind

colors: {
  custom: {
    50: '#8183ca',
    500: '#4154b3',
    950: '#000000',
  },
}

SCSS

$custom: #4154b3;
$custom-light: #8183ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4154b3",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 179
  },
  "hsl": {
    "h": 230,
    "s": 46.721,
    "l": 47.843
  },
  "oklch": {
    "l": 0.48383,
    "c": 0.15169,
    "h": 271.1
  },
  "luminance": 0.10719
}

Semantic roles & 50–950 ramp

primary

#4154B3

secondary

#C4BB8B

accent

#C051D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4154B3

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

Preview Lab → · Contrast checker → · Palette generator →