#4155B2#4155B2

#4155B2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.5% C 0.149 H 270.8°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4155B2
RGB	rgb(65, 85, 178)
HSL	hsl(229, 47%, 48%)
HSV	hsv(229, 63%, 70%)
CMYK	cmyk(63.5%, 52.2%, 0%, 30.2%)
CIE-LAB	lab(39.30, 22.27, -51.95)
CIE-LCH	lch(39.30, 56.52, 293.20°)
OKLab	oklab(48.51% 0.002 -0.149)
OKLCH	oklch(48.51% 0.149 270.8)
XYZ	xyz(13.4617, 10.8340, 43.4926)
Luminance	0.1084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155B2 #B29E41

analogous

#418DB2 #4155B2 #6641B2

triadic

#4155B2 #B24155 #55B241

tetradic

#4155B2 #B2418D #B29E41 #41B266

square

#4155B2 #B2418D #B29E41 #41B266

split-complementary

#4155B2 #B26641 #8DB241

monochromatic

#202A58 #314085 #4155B2 #6879C8 #95A1D8

Accessibility & contrast

On white

6.63

#4155B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4155B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155B2

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155B2	#FFFFFF	#000000	##FFFFFF
##4155B2	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D62B5

Deuteranopia (green-blind)

#0058B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4155b2;
/* rgb */ color: rgb(65, 85, 178);
/* oklch */ color: oklch(48.5% 0.149 270.8);

Tailwind

colors: {
  custom: {
    50: '#8184ca',
    500: '#4155b2',
    950: '#000000',
  },
}

SCSS

$custom: #4155b2;
$custom-light: #8184ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4155b2",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 178
  },
  "hsl": {
    "h": 229.381,
    "s": 46.502,
    "l": 47.647
  },
  "oklch": {
    "l": 0.4851,
    "c": 0.14898,
    "h": 270.8
  },
  "luminance": 0.10835
}

Semantic roles & 50–950 ramp

primary

#4155B2

secondary

#C4BA8B

accent

#BF52D6

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4155B2

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

Preview Lab → · Contrast checker → · Palette generator →