#4155DD#4155DD

#4155DD is a mid, highly saturated blue. Relative luminance 0.128; OKLCH L 51.9% C 0.207 H 270.8°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4155DD
RGB	rgb(65, 85, 221)
HSL	hsl(232, 70%, 56%)
HSV	hsv(232, 71%, 87%)
CMYK	cmyk(70.6%, 61.5%, 0%, 13.3%)
CIE-LAB	lab(42.52, 37.39, -71.63)
CIE-LCH	lch(42.52, 80.81, 297.57°)
OKLab	oklab(51.93% 0.003 -0.2068)
OKLCH	oklch(51.93% 0.207 270.8)
XYZ	xyz(18.4752, 12.8394, 69.8972)
Luminance	0.1284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155DD #DDC941

analogous

#41A3DD #4155DD #7B41DD

triadic

#4155DD #DD4155 #55DD41

tetradic

#4155DD #DD41A3 #DDC941 #41DD7B

square

#4155DD #DD41A3 #DDC941 #41DD7B

split-complementary

#4155DD #DD7B41 #A3DD41

monochromatic

#19278B #2236BF #4155DD #7583E6 #A9B2F0

Accessibility & contrast

On white

5.89

#4155DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#4155DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155DD

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155DD	#FFFFFF	#000000	##FFFFFF
##4155DD	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CE1

Deuteranopia (green-blind)

#005DDA

Tritanopia (blue-blind)

#007891

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4155dd;
/* rgb */ color: rgb(65, 85, 221);
/* oklch */ color: oklch(51.9% 0.207 270.8);

Tailwind

colors: {
  custom: {
    50: '#8a84e9',
    500: '#4155dd',
    950: '#000000',
  },
}

SCSS

$custom: #4155dd;
$custom-light: #8a84e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4155dd",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 221
  },
  "hsl": {
    "h": 232.308,
    "s": 69.643,
    "l": 56.078
  },
  "oklch": {
    "l": 0.51925,
    "c": 0.20685,
    "h": 270.8
  },
  "luminance": 0.12841
}

Semantic roles & 50–950 ramp

primary

#4155DD

secondary

#DDD59D

accent

#D63BEC

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4155DD

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

Preview Lab → · Contrast checker → · Palette generator →