#4155C9#4155C9

#4155C9 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.181 H 271.0°. Best body text is #FFFFFF at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#4155C9
RGB	rgb(65, 85, 201)
HSL	hsl(231, 56%, 52%)
HSV	hsv(231, 68%, 79%)
CMYK	cmyk(67.7%, 57.7%, 0%, 21.2%)
CIE-LAB	lab(40.95, 30.39, -62.70)
CIE-LCH	lch(40.95, 69.68, 295.86°)
OKLab	oklab(50.28% 0.0031 -0.1806)
OKLCH	oklch(50.28% 0.181 271)
XYZ	xyz(15.9675, 11.8364, 56.6902)
Luminance	0.1184 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155C9 #C9B541

analogous

#4199C9 #4155C9 #7141C9

triadic

#4155C9 #C94155 #55C941

tetradic

#4155C9 #C94199 #C9B541 #41C971

square

#4155C9 #C94199 #C9B541 #41C971

split-complementary

#4155C9 #C97141 #99C941

monochromatic

#202C70 #2D3E9F #4155C9 #7180D7 #A0AAE4

Accessibility & contrast

On white

6.24

#4155C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4155C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155C9

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155C9	#FFFFFF	#000000	##FFFFFF
##4155C9	1.00	6.24	3.37	6.24
#FFFFFF	6.24	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CD

Deuteranopia (green-blind)

#005BC7

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4155c9;
/* rgb */ color: rgb(65, 85, 201);
/* oklch */ color: oklch(50.3% 0.181 271.0);

Tailwind

colors: {
  custom: {
    50: '#8584da',
    500: '#4155c9',
    950: '#000000',
  },
}

SCSS

$custom: #4155c9;
$custom-light: #8584da;
$custom-dark: #000000;

JSON

{
  "hex": "#4155c9",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 201
  },
  "hsl": {
    "h": 231.176,
    "s": 55.738,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50276,
    "c": 0.18062,
    "h": 271
  },
  "luminance": 0.11838
}

Semantic roles & 50–950 ramp

primary

#4155C9

secondary

#D1C895

accent

#C949DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4155C9

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

Preview Lab → · Contrast checker → · Palette generator →