#4059C8#4059C8

#4059C8 is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.9% C 0.175 H 269.6°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4059C8
RGB	rgb(64, 89, 200)
HSL	hsl(229, 55%, 52%)
HSV	hsv(229, 68%, 78%)
CMYK	cmyk(68%, 55.5%, 0%, 21.6%)
CIE-LAB	lab(41.85, 27.35, -60.67)
CIE-LCH	lch(41.85, 66.55, 294.26°)
OKLab	oklab(50.91% -0.0012 -0.1746)
OKLCH	oklch(50.91% 0.175 269.6)
XYZ	xyz(16.1085, 12.4033, 56.1775)
Luminance	0.1240 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059C8 #C8AF40

analogous

#409DC8 #4059C8 #6B40C8

triadic

#4059C8 #C84059 #59C840

tetradic

#4059C8 #C8409D #C8AF40 #40C86B

square

#4059C8 #C8409D #C8AF40 #40C86B

split-complementary

#4059C8 #C86B40 #9DC840

monochromatic

#202E6E #2D429D #4059C8 #7082D6 #9FACE3

Accessibility & contrast

On white

6.03

#4059C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4059C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059C8

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059C8	#FFFFFF	#000000	##FFFFFF
##4059C8	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0069CC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007488

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4059c8;
/* rgb */ color: rgb(64, 89, 200);
/* oklch */ color: oklch(50.9% 0.175 269.6);

Tailwind

colors: {
  custom: {
    50: '#8587d9',
    500: '#4059c8',
    950: '#000000',
  },
}

SCSS

$custom: #4059c8;
$custom-light: #8587d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4059c8",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 200
  },
  "hsl": {
    "h": 228.971,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.50908,
    "c": 0.17459,
    "h": 269.6
  },
  "luminance": 0.12405
}

Semantic roles & 50–950 ramp

primary

#4059C8

secondary

#D0C594

accent

#C349DF

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4059C8

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

Preview Lab → · Contrast checker → · Palette generator →