#4059CC#4059CC

#4059CC is a mid, vivid blue. Relative luminance 0.126; OKLCH L 51.2% C 0.180 H 269.7°. Best body text is #FFFFFF at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#4059CC
RGB	rgb(64, 89, 204)
HSL	hsl(229, 58%, 53%)
HSV	hsv(229, 69%, 80%)
CMYK	cmyk(68.6%, 56.4%, 0%, 20%)
CIE-LAB	lab(42.14, 28.77, -62.50)
CIE-LCH	lch(42.14, 68.81, 294.72°)
OKLab	oklab(51.22% -0.0011 -0.18)
OKLCH	oklch(51.22% 0.18 269.7)
XYZ	xyz(16.5821, 12.5928, 58.6718)
Luminance	0.1259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059CC #CCB340

analogous

#409FCC #4059CC #6D40CC

triadic

#4059CC #CC4059 #59CC40

tetradic

#4059CC #CC409F #CCB340 #40CC6D

square

#4059CC #CC409F #CCB340 #40CC6D

split-complementary

#4059CC #CC6D40 #9FCC40

monochromatic

#1F2E73 #2C41A3 #4059CC #7083D9 #A1ADE6

Accessibility & contrast

On white

5.97

#4059CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.52

#4059CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059CC

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059CC	#FFFFFF	#000000	##FFFFFF
##4059CC	1.00	5.97	3.52	5.97
#FFFFFF	5.97	1.00	21.00	1.00
#000000	3.52	21.00	1.00	21.00
##FFFFFF	5.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006AD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00758A

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4059cc;
/* rgb */ color: rgb(64, 89, 204);
/* oklch */ color: oklch(51.2% 0.180 269.7);

Tailwind

colors: {
  custom: {
    50: '#8587dc',
    500: '#4059cc',
    950: '#000000',
  },
}

SCSS

$custom: #4059cc;
$custom-light: #8587dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4059cc",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 204
  },
  "hsl": {
    "h": 229.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5122,
    "c": 0.17999,
    "h": 269.7
  },
  "luminance": 0.12594
}

Semantic roles & 50–950 ramp

primary

#4059CC

secondary

#D2C795

accent

#C647E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #4059CC

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

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