#4054BC#4054BC

#4054BC is a mid, vivid blue. Relative luminance 0.111; OKLCH L 49.0% C 0.164 H 270.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#4054BC
RGB	rgb(64, 84, 188)
HSL	hsl(230, 49%, 49%)
HSV	hsv(230, 66%, 74%)
CMYK	cmyk(66%, 55.3%, 0%, 26.3%)
CIE-LAB	lab(39.68, 26.29, -57.20)
CIE-LCH	lch(39.68, 62.96, 294.68°)
OKLab	oklab(49.01% 0.0026 -0.1645)
OKLCH	oklch(49.01% 0.164 270.9)
XYZ	xyz(14.3587, 11.0602, 48.9453)
Luminance	0.1106 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4054BC #BCA840

analogous

#4092BC #4054BC #6A40BC

triadic

#4054BC #BC4054 #54BC40

tetradic

#4054BC #BC4092 #BCA840 #40BC6A

square

#4054BC #BC4092 #BCA840 #40BC6A

split-complementary

#4054BC #BC6A40 #92BC40

monochromatic

#212B61 #30408E #4054BC #6C7CCD #9AA5DD

Accessibility & contrast

On white

6.54

#4054BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4054BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4054BC

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4054BC	#FFFFFF	#000000	##FFFFFF
##4054BC	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0058BA

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4054bc;
/* rgb */ color: rgb(64, 84, 188);
/* oklch */ color: oklch(49.0% 0.164 270.9);

Tailwind

colors: {
  custom: {
    50: '#8383d1',
    500: '#4054bc',
    950: '#000000',
  },
}

SCSS

$custom: #4054bc;
$custom-light: #8383d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4054bc",
  "rgb": {
    "r": 64,
    "g": 84,
    "b": 188
  },
  "hsl": {
    "h": 230.323,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.49006,
    "c": 0.16449,
    "h": 270.9
  },
  "luminance": 0.11061
}

Semantic roles & 50–950 ramp

primary

#4054BC

secondary

#C9BF8F

accent

#C34FD9

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4054BC

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

Preview Lab → · Contrast checker → · Palette generator →