#4055CA#4055CA

#4055CA is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.3% C 0.182 H 270.7°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#4055CA
RGB	rgb(64, 85, 202)
HSL	hsl(231, 57%, 52%)
HSV	hsv(231, 68%, 79%)
CMYK	cmyk(68.3%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(40.98, 30.60, -63.24)
CIE-LCH	lch(40.98, 70.26, 295.82°)
OKLab	oklab(50.3% 0.0021 -0.1822)
OKLCH	oklch(50.3% 0.182 270.7)
XYZ	xyz(16.0199, 11.8497, 57.3086)
Luminance	0.1185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055CA #CAB540

analogous

#409ACA #4055CA #7040CA

triadic

#4055CA #CA4055 #55CA40

tetradic

#4055CA #CA409A #CAB540 #40CA70

square

#4055CA #CA409A #CAB540 #40CA70

split-complementary

#4055CA #CA7040 #9ACA40

monochromatic

#1F2C70 #2C3EA0 #4055CA #7080D7 #A0AAE5

Accessibility & contrast

On white

6.23

#4055CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#4055CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055CA

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055CA	#FFFFFF	#000000	##FFFFFF
##4055CA	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CE

Deuteranopia (green-blind)

#005BC8

Tritanopia (blue-blind)

#007287

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4055ca;
/* rgb */ color: rgb(64, 85, 202);
/* oklch */ color: oklch(50.3% 0.182 270.7);

Tailwind

colors: {
  custom: {
    50: '#8584db',
    500: '#4055ca',
    950: '#000000',
  },
}

SCSS

$custom: #4055ca;
$custom-light: #8584db;
$custom-dark: #000000;

JSON

{
  "hex": "#4055ca",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 230.87,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.50301,
    "c": 0.18223,
    "h": 270.7
  },
  "luminance": 0.11851
}

Semantic roles & 50–950 ramp

primary

#4055CA

secondary

#D1C895

accent

#C948E0

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4055CA

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

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