#4154B2#4154B2

#4154B2 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.3% C 0.150 H 271.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4154B2
RGB	rgb(65, 84, 178)
HSL	hsl(230, 47%, 48%)
HSV	hsv(230, 63%, 70%)
CMYK	cmyk(63.5%, 52.8%, 0%, 30.2%)
CIE-LAB	lab(39.03, 22.92, -52.38)
CIE-LCH	lch(39.03, 57.17, 293.63°)
OKLab	oklab(48.31% 0.003 -0.1502)
OKLCH	oklch(48.31% 0.15 271.1)
XYZ	xyz(13.3835, 10.6777, 43.4666)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4154B2 #B29F41

analogous

#418CB2 #4154B2 #6741B2

triadic

#4154B2 #B24154 #54B241

tetradic

#4154B2 #B2418C #B29F41 #41B267

square

#4154B2 #B2418C #B29F41 #41B267

split-complementary

#4154B2 #B26741 #8CB241

monochromatic

#202A58 #313F85 #4154B2 #6878C8 #95A0D8

Accessibility & contrast

On white

6.70

#4154B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4154B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4154B2

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4154B2	#FFFFFF	#000000	##FFFFFF
##4154B2	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B5

Deuteranopia (green-blind)

#0057B0

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4154b2;
/* rgb */ color: rgb(65, 84, 178);
/* oklch */ color: oklch(48.3% 0.150 271.1);

Tailwind

colors: {
  custom: {
    50: '#8183ca',
    500: '#4154b2',
    950: '#000000',
  },
}

SCSS

$custom: #4154b2;
$custom-light: #8183ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4154b2",
  "rgb": {
    "r": 65,
    "g": 84,
    "b": 178
  },
  "hsl": {
    "h": 229.912,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.48309,
    "c": 0.15028,
    "h": 271.1
  },
  "luminance": 0.10679
}

Semantic roles & 50–950 ramp

primary

#4154B2

secondary

#C4BA8B

accent

#C052D6

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4154B2

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

Preview Lab → · Contrast checker → · Palette generator →