#4155CC#4155CC

#4155CC is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.5% C 0.185 H 271.0°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#4155CC
RGB	rgb(65, 85, 204)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 68%, 80%)
CMYK	cmyk(68.1%, 58.3%, 0%, 20%)
CIE-LAB	lab(41.18, 31.45, -64.06)
CIE-LCH	lch(41.18, 71.37, 296.15°)
OKLab	oklab(50.52% 0.0032 -0.1846)
OKLCH	oklch(50.52% 0.185 271)
XYZ	xyz(16.3239, 11.9789, 58.5669)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4155CC #CCB841

analogous

#419ACC #4155CC #7341CC

triadic

#4155CC #CC4155 #55CC41

tetradic

#4155CC #CC419A #CCB841 #41CC73

square

#4155CC #CC419A #CCB841 #41CC73

split-complementary

#4155CC #CC7341 #9ACC41

monochromatic

#1F2B74 #2C3DA4 #4155CC #7180D9 #A1ABE6

Accessibility & contrast

On white

6.18

#4155CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#4155CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4155CC

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4155CC	#FFFFFF	#000000	##FFFFFF
##4155CC	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068D0

Deuteranopia (green-blind)

#005BCA

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4155cc;
/* rgb */ color: rgb(65, 85, 204);
/* oklch */ color: oklch(50.5% 0.185 271.0);

Tailwind

colors: {
  custom: {
    50: '#8684dc',
    500: '#4155cc',
    950: '#000000',
  },
}

SCSS

$custom: #4155cc;
$custom-light: #8684dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4155cc",
  "rgb": {
    "r": 65,
    "g": 85,
    "b": 204
  },
  "hsl": {
    "h": 231.367,
    "s": 57.676,
    "l": 52.745
  },
  "oklch": {
    "l": 0.50517,
    "c": 0.18463,
    "h": 271
  },
  "luminance": 0.1198
}

Semantic roles & 50–950 ramp

primary

#4155CC

secondary

#D3CA96

accent

#CB47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4155CC

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

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