#4054C7#4054C7

#4054C7 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.9% C 0.179 H 270.9°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4054C7
RGB	rgb(64, 84, 199)
HSL	hsl(231, 55%, 52%)
HSV	hsv(231, 68%, 78%)
CMYK	cmyk(67.8%, 57.8%, 0%, 22%)
CIE-LAB	lab(40.50, 30.18, -62.29)
CIE-LCH	lch(40.50, 69.21, 295.85°)
OKLab	oklab(49.87% 0.0029 -0.1794)
OKLCH	oklch(49.87% 0.179 270.9)
XYZ	xyz(15.5900, 11.5527, 55.4301)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054C7 #C7B340

analogous

#4098C7 #4054C7 #7040C7

triadic

#4054C7 #C74054 #54C740

tetradic

#4054C7 #C74098 #C7B340 #40C770

square

#4054C7 #C74098 #C7B340 #40C770

split-complementary

#4054C7 #C77040 #98C740

monochromatic

#202B6D #2E3E9C #4054C7 #6F7ED5 #9FA9E3

Accessibility & contrast

On white

6.34

#4054C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4054C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054C7

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054C7	#FFFFFF	#000000	##FFFFFF
##4054C7	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CB

Deuteranopia (green-blind)

#0059C5

Tritanopia (blue-blind)

#007085

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4054c7;
/* rgb */ color: rgb(64, 84, 199);
/* oklch */ color: oklch(49.9% 0.179 270.9);

Tailwind

colors: {
  custom: {
    50: '#8583d9',
    500: '#4054c7',
    950: '#000000',
  },
}

SCSS

$custom: #4054c7;
$custom-light: #8583d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4054c7",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 199
  },
  "hsl": {
    "h": 231.111,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.49872,
    "c": 0.17944,
    "h": 270.9
  },
  "luminance": 0.11554
}

Semantic roles & 50–950 ramp

primary

#4054C7

secondary

#CFC694

accent

#C84ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4054C7

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

Preview Lab → · Contrast checker → · Palette generator →