#4054BF#4054BF

#4054BF is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.2% C 0.169 H 270.9°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#4054BF
RGB	rgb(64, 84, 191)
HSL	hsl(231, 50%, 50%)
HSV	hsv(231, 66%, 75%)
CMYK	cmyk(66.5%, 56%, 0%, 25.1%)
CIE-LAB	lab(39.90, 27.35, -58.60)
CIE-LCH	lch(39.90, 64.67, 295.02°)
OKLab	oklab(49.24% 0.0027 -0.1686)
OKLCH	oklch(49.24% 0.169 270.9)
XYZ	xyz(14.6855, 11.1909, 50.6663)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054BF #BFAB40

analogous

#4094BF #4054BF #6B40BF

triadic

#4054BF #BF4054 #54BF40

tetradic

#4054BF #BF4094 #BFAB40 #40BF6B

square

#4054BF #BF4094 #BFAB40 #40BF6B

split-complementary

#4054BF #BF6B40 #94BF40

monochromatic

#212C63 #314091 #4054BF #6E7DCE #9CA6DE

Accessibility & contrast

On white

6.48

#4054BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4054BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054BF

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054BF	#FFFFFF	#000000	##FFFFFF
##4054BF	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#0058BD

Tritanopia (blue-blind)

#006E81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4054bf;
/* rgb */ color: rgb(64, 84, 191);
/* oklch */ color: oklch(49.2% 0.169 270.9);

Tailwind

colors: {
  custom: {
    50: '#8383d3',
    500: '#4054bf',
    950: '#000000',
  },
}

SCSS

$custom: #4054bf;
$custom-light: #8383d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4054bf",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 191
  },
  "hsl": {
    "h": 230.551,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.49239,
    "c": 0.1686,
    "h": 270.9
  },
  "luminance": 0.11192
}

Semantic roles & 50–950 ramp

primary

#4054BF

secondary

#CAC191

accent

#C34ED9

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4054BF

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

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