#4059CF#4059CF

#4059CF is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.5% C 0.184 H 269.7°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#4059CF
RGB	rgb(64, 89, 207)
HSL	hsl(230, 60%, 53%)
HSV	hsv(230, 69%, 81%)
CMYK	cmyk(69.1%, 57%, 0%, 18.8%)
CIE-LAB	lab(42.37, 29.83, -63.87)
CIE-LCH	lch(42.37, 70.49, 295.04°)
OKLab	oklab(51.46% -0.001 -0.184)
OKLCH	oklch(51.46% 0.184 269.7)
XYZ	xyz(16.9454, 12.7381, 60.5850)
Luminance	0.1274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059CF #CFB640

analogous

#40A1CF #4059CF #6E40CF

triadic

#4059CF #CF4059 #59CF40

tetradic

#4059CF #CF40A1 #CFB640 #40CF6E

square

#4059CF #CF40A1 #CFB640 #40CF6E

split-complementary

#4059CF #CF6E40 #A1CF40

monochromatic

#1E2D77 #2A40A8 #4059CF #7184DB #A2AEE8

Accessibility & contrast

On white

5.92

#4059CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4059CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059CF

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059CF	#FFFFFF	#000000	##FFFFFF
##4059CF	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4059cf;
/* rgb */ color: rgb(64, 89, 207);
/* oklch */ color: oklch(51.5% 0.184 269.7);

Tailwind

colors: {
  custom: {
    50: '#8687df',
    500: '#4059cf',
    950: '#000000',
  },
}

SCSS

$custom: #4059cf;
$custom-light: #8687df;
$custom-dark: #000000;

JSON

{
  "hex": "#4059cf",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 207
  },
  "hsl": {
    "h": 229.51,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.51456,
    "c": 0.18401,
    "h": 269.7
  },
  "luminance": 0.1274
}

Semantic roles & 50–950 ramp

primary

#4059CF

secondary

#D4C997

accent

#C745E3

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4059CF

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

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