#4059C7#4059C7

#4059C7 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.8% C 0.173 H 269.6°. Best body text is #FFFFFF at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#4059C7
RGB	rgb(64, 89, 199)
HSL	hsl(229, 55%, 52%)
HSV	hsv(229, 68%, 78%)
CMYK	cmyk(67.8%, 55.3%, 0%, 22%)
CIE-LAB	lab(41.78, 26.99, -60.21)
CIE-LCH	lch(41.78, 65.98, 294.15°)
OKLab	oklab(50.83% -0.0013 -0.1732)
OKLCH	oklch(50.83% 0.173 269.6)
XYZ	xyz(15.9920, 12.3567, 55.5641)
Luminance	0.1236 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059C7 #C7AE40

analogous

#409DC7 #4059C7 #6B40C7

triadic

#4059C7 #C74059 #59C740

tetradic

#4059C7 #C7409D #C7AE40 #40C76B

square

#4059C7 #C7409D #C7AE40 #40C76B

split-complementary

#4059C7 #C76B40 #9DC740

monochromatic

#202E6D #2E429C #4059C7 #6F82D5 #9FABE3

Accessibility & contrast

On white

6.05

#4059C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4059C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059C7

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059C7	#FFFFFF	#000000	##FFFFFF
##4059C7	1.00	6.05	3.47	6.05
#FFFFFF	6.05	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CB

Deuteranopia (green-blind)

#005DC5

Tritanopia (blue-blind)

#007487

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4059c7;
/* rgb */ color: rgb(64, 89, 199);
/* oklch */ color: oklch(50.8% 0.173 269.6);

Tailwind

colors: {
  custom: {
    50: '#8487d9',
    500: '#4059c7',
    950: '#000000',
  },
}

SCSS

$custom: #4059c7;
$custom-light: #8487d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4059c7",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 199
  },
  "hsl": {
    "h": 228.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5083,
    "c": 0.17324,
    "h": 269.6
  },
  "luminance": 0.12358
}

Semantic roles & 50–950 ramp

primary

#4059C7

secondary

#CFC494

accent

#C34ADE

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4059C7

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

Preview Lab → · Contrast checker → · Palette generator →