#4054CC#4054CC

#4054CC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.3% C 0.186 H 270.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4054CC
RGB	rgb(64, 84, 204)
HSL	hsl(231, 58%, 53%)
HSV	hsv(231, 69%, 80%)
CMYK	cmyk(68.6%, 58.8%, 0%, 20%)
CIE-LAB	lab(40.88, 31.94, -64.56)
CIE-LCH	lch(40.88, 72.03, 296.33°)
OKLab	oklab(50.28% 0.0029 -0.1861)
OKLCH	oklch(50.28% 0.186 270.9)
XYZ	xyz(16.1801, 11.7887, 58.5378)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054CC #CCB840

analogous

#409ACC #4054CC #7240CC

triadic

#4054CC #CC4054 #54CC40

tetradic

#4054CC #CC409A #CCB840 #40CC72

square

#4054CC #CC409A #CCB840 #40CC72

split-complementary

#4054CC #CC7240 #9ACC40

monochromatic

#1F2B73 #2C3DA3 #4054CC #707FD9 #A1AAE6

Accessibility & contrast

On white

6.25

#4054CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4054CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054CC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054CC	#FFFFFF	#000000	##FFFFFF
##4054CC	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D0

Deuteranopia (green-blind)

#005ACA

Tritanopia (blue-blind)

#007288

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4054cc;
/* rgb */ color: rgb(64, 84, 204);
/* oklch */ color: oklch(50.3% 0.186 270.9);

Tailwind

colors: {
  custom: {
    50: '#8684dc',
    500: '#4054cc',
    950: '#000000',
  },
}

SCSS

$custom: #4054cc;
$custom-light: #8684dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4054cc",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 204
  },
  "hsl": {
    "h": 231.429,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.50276,
    "c": 0.18611,
    "h": 270.9
  },
  "luminance": 0.1179
}

Semantic roles & 50–950 ramp

primary

#4054CC

secondary

#D2CA95

accent

#CB47E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #4054CC

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

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