#4055AC#4055AC

#4055AC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.0% C 0.141 H 270.2°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#4055AC
RGB	rgb(64, 85, 172)
HSL	hsl(228, 46%, 46%)
HSV	hsv(228, 63%, 67%)
CMYK	cmyk(62.8%, 50.6%, 0%, 32.5%)
CIE-LAB	lab(38.84, 19.97, -49.15)
CIE-LCH	lch(38.84, 53.05, 292.11°)
OKLab	oklab(48.02% 0.0004 -0.1408)
OKLCH	oklch(48.02% 0.141 270.2)
XYZ	xyz(12.8067, 10.5645, 40.3860)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055AC #AC9740

analogous

#408BAC #4055AC #6140AC

triadic

#4055AC #AC4055 #55AC40

tetradic

#4055AC #AC408B #AC9740 #40AC61

square

#4055AC #AC408B #AC9740 #40AC61

split-complementary

#4055AC #AC6140 #8BAC40

monochromatic

#1F2953 #2F3F7F #4055AC #6477C5 #919ED6

Accessibility & contrast

On white

6.75

#4055AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#4055AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055AC

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055AC	#FFFFFF	#000000	##FFFFFF
##4055AC	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2560AF

Deuteranopia (green-blind)

#0A57AA

Tritanopia (blue-blind)

#006978

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4055ac;
/* rgb */ color: rgb(64, 85, 172);
/* oklch */ color: oklch(48.0% 0.141 270.2);

Tailwind

colors: {
  custom: {
    50: '#7f84c5',
    500: '#4055ac',
    950: '#000000',
  },
}

SCSS

$custom: #4055ac;
$custom-light: #7f84c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4055ac",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 172
  },
  "hsl": {
    "h": 228.333,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.48016,
    "c": 0.14077,
    "h": 270.2
  },
  "luminance": 0.10566
}

Semantic roles & 50–950 ramp

primary

#4055AC

secondary

#C1B687

accent

#BC52D5

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4055AC

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

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