#4054C8#4054C8

#4054C8 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.0% C 0.181 H 270.9°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4054C8
RGB	rgb(64, 84, 200)
HSL	hsl(231, 55%, 52%)
HSV	hsv(231, 68%, 78%)
CMYK	cmyk(68%, 58%, 0%, 21.6%)
CIE-LAB	lab(40.57, 30.53, -62.74)
CIE-LCH	lch(40.57, 69.78, 295.95°)
OKLab	oklab(49.95% 0.0029 -0.1808)
OKLCH	oklch(49.95% 0.181 270.9)
XYZ	xyz(15.7065, 11.5993, 56.0435)
Luminance	0.1160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054C8 #C8B440

analogous

#4098C8 #4054C8 #7040C8

triadic

#4054C8 #C84054 #54C840

tetradic

#4054C8 #C84098 #C8B440 #40C870

square

#4054C8 #C84098 #C8B440 #40C870

split-complementary

#4054C8 #C87040 #98C840

monochromatic

#202B6E #2D3E9D #4054C8 #707FD6 #9FA9E3

Accessibility & contrast

On white

6.32

#4054C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4054C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054C8

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054C8	#FFFFFF	#000000	##FFFFFF
##4054C8	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CC

Deuteranopia (green-blind)

#005AC6

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4054c8;
/* rgb */ color: rgb(64, 84, 200);
/* oklch */ color: oklch(50.0% 0.181 270.9);

Tailwind

colors: {
  custom: {
    50: '#8584da',
    500: '#4054c8',
    950: '#000000',
  },
}

SCSS

$custom: #4054c8;
$custom-light: #8584da;
$custom-dark: #000000;

JSON

{
  "hex": "#4054c8",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 200
  },
  "hsl": {
    "h": 231.176,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49952,
    "c": 0.18078,
    "h": 270.9
  },
  "luminance": 0.11601
}

Semantic roles & 50–950 ramp

primary

#4054C8

secondary

#D0C794

accent

#C949DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4054C8

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

Preview Lab → · Contrast checker → · Palette generator →