#4055C8#4055C8

#4055C8 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.180 H 270.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#4055C8
RGB	rgb(64, 85, 200)
HSL	hsl(231, 55%, 52%)
HSV	hsv(231, 68%, 78%)
CMYK	cmyk(68%, 57.5%, 0%, 21.6%)
CIE-LAB	lab(40.83, 29.90, -62.33)
CIE-LCH	lch(40.83, 69.13, 295.62°)
OKLab	oklab(50.14% 0.0021 -0.1795)
OKLCH	oklch(50.14% 0.18 270.7)
XYZ	xyz(15.7846, 11.7556, 56.0696)
Luminance	0.1176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4055C8 #C8B340

analogous

#4099C8 #4055C8 #6F40C8

triadic

#4055C8 #C84055 #55C840

tetradic

#4055C8 #C84099 #C8B340 #40C86F

square

#4055C8 #C84099 #C8B340 #40C86F

split-complementary

#4055C8 #C86F40 #99C840

monochromatic

#202C6E #2D3F9D #4055C8 #707FD6 #9FAAE3

Accessibility & contrast

On white

6.27

#4055C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#4055C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4055C8

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4055C8	#FFFFFF	#000000	##FFFFFF
##4055C8	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067CC

Deuteranopia (green-blind)

#005AC6

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4055c8;
/* rgb */ color: rgb(64, 85, 200);
/* oklch */ color: oklch(50.1% 0.180 270.7);

Tailwind

colors: {
  custom: {
    50: '#8584da',
    500: '#4055c8',
    950: '#000000',
  },
}

SCSS

$custom: #4055c8;
$custom-light: #8584da;
$custom-dark: #000000;

JSON

{
  "hex": "#4055c8",
  "rgb": {
    "r": 64,
    "g": 85,
    "b": 200
  },
  "hsl": {
    "h": 230.735,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50141,
    "c": 0.17955,
    "h": 270.7
  },
  "luminance": 0.11757
}

Semantic roles & 50–950 ramp

primary

#4055C8

secondary

#D0C794

accent

#C849DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4055C8

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

Preview Lab → · Contrast checker → · Palette generator →