#4075DF#4075DF

#4075DF is a mid, vivid blue. Relative luminance 0.191; OKLCH L 58.2% C 0.172 H 262.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#4075DF
RGB	rgb(64, 117, 223)
HSL	hsl(220, 71%, 56%)
HSV	hsv(220, 71%, 87%)
CMYK	cmyk(71.3%, 47.5%, 0%, 12.5%)
CIE-LAB	lab(50.85, 17.88, -59.26)
CIE-LCH	lch(50.85, 61.90, 286.79°)
OKLab	oklab(58.23% -0.0227 -0.17)
OKLCH	oklch(58.23% 0.172 262.4)
XYZ	xyz(21.7902, 19.1380, 72.3433)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075DF #DFAA40

analogous

#40C5DF #4075DF #5B40DF

triadic

#4075DF #DF4075 #75DF40

tetradic

#4075DF #DF40C5 #DFAA40 #40DF5B

square

#4075DF #DF40C5 #DFAA40 #40DF5B

split-complementary

#4075DF #DF5B40 #C5DF40

monochromatic

#183F8D #2056C1 #4075DF #749BE8 #A9C1F1

Accessibility & contrast

On white

4.35

#4075DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#4075DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075DF

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075DF	#FFFFFF	#000000	##000000
##4075DF	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B81E3

Deuteranopia (green-blind)

#0C72DD

Tritanopia (blue-blind)

#008E9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4075df;
/* rgb */ color: rgb(64, 117, 223);
/* oklch */ color: oklch(58.2% 0.172 262.4);

Tailwind

colors: {
  custom: {
    50: '#889cea',
    500: '#4075df',
    950: '#000000',
  },
}

SCSS

$custom: #4075df;
$custom-light: #889cea;
$custom-dark: #000000;

JSON

{
  "hex": "#4075df",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 223
  },
  "hsl": {
    "h": 220,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.58227,
    "c": 0.17153,
    "h": 262.4
  },
  "luminance": 0.1914
}

Semantic roles & 50–950 ramp

primary

#4075DF

secondary

#DEC89D

accent

#B23AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4075DF

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

Preview Lab → · Contrast checker → · Palette generator →