#4055D0#4055D0

#4055D0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.8% C 0.190 H 270.7°. Best body text is #FFFFFF at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#4055D0
RGB	rgb(64, 85, 208)
HSL	hsl(231, 61%, 53%)
HSV	hsv(231, 69%, 82%)
CMYK	cmyk(69.2%, 59.1%, 0%, 18.4%)
CIE-LAB	lab(41.44, 32.72, -65.96)
CIE-LCH	lch(41.44, 73.63, 296.39°)
OKLab	oklab(50.79% 0.0022 -0.1902)
OKLCH	oklch(50.79% 0.19 270.7)
XYZ	xyz(16.7441, 12.1394, 61.1230)
Luminance	0.1214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055D0 #D0BB40

analogous

#409DD0 #4055D0 #7340D0

triadic

#4055D0 #D04055 #55D040

tetradic

#4055D0 #D0409D #D0BB40 #40D073

square

#4055D0 #D0409D #D0BB40 #40D073

split-complementary

#4055D0 #D07340 #9DD040

monochromatic

#1E2B78 #2A3CA9 #4055D0 #7181DC #A2ACE8

Accessibility & contrast

On white

6.13

#4055D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#4055D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055D0

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055D0	#FFFFFF	#000000	##FFFFFF
##4055D0	1.00	6.13	3.43	6.13
#FFFFFF	6.13	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069D4

Deuteranopia (green-blind)

#005BCE

Tritanopia (blue-blind)

#00748A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4055d0;
/* rgb */ color: rgb(64, 85, 208);
/* oklch */ color: oklch(50.8% 0.190 270.7);

Tailwind

colors: {
  custom: {
    50: '#8684df',
    500: '#4055d0',
    950: '#000000',
  },
}

SCSS

$custom: #4055d0;
$custom-light: #8684df;
$custom-dark: #000000;

JSON

{
  "hex": "#4055d0",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 208
  },
  "hsl": {
    "h": 231.25,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.50788,
    "c": 0.1902,
    "h": 270.7
  },
  "luminance": 0.12141
}

Semantic roles & 50–950 ramp

primary

#4055D0

secondary

#D5CC97

accent

#CC44E4

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4055D0

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

Preview Lab → · Contrast checker → · Palette generator →