#4059D0#4059D0

#4059D0 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.5% C 0.185 H 269.7°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#4059D0
RGB	rgb(64, 89, 208)
HSL	hsl(230, 61%, 53%)
HSV	hsv(230, 69%, 82%)
CMYK	cmyk(69.2%, 57.2%, 0%, 18.4%)
CIE-LAB	lab(42.44, 30.19, -64.32)
CIE-LCH	lch(42.44, 71.05, 295.14°)
OKLab	oklab(51.54% -0.0009 -0.1853)
OKLCH	oklch(51.54% 0.185 269.7)
XYZ	xyz(17.0680, 12.7871, 61.2309)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059D0 #D0B740

analogous

#40A1D0 #4059D0 #6F40D0

triadic

#4059D0 #D04059 #59D040

tetradic

#4059D0 #D040A1 #D0B740 #40D06F

square

#4059D0 #D040A1 #D0B740 #40D06F

split-complementary

#4059D0 #D06F40 #A1D040

monochromatic

#1E2D78 #2A40A9 #4059D0 #7184DC #A2AEE8

Accessibility & contrast

On white

5.90

#4059D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4059D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059D0

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059D0	#FFFFFF	#000000	##FFFFFF
##4059D0	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD4

Deuteranopia (green-blind)

#005ECE

Tritanopia (blue-blind)

#00768C

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4059d0;
/* rgb */ color: rgb(64, 89, 208);
/* oklch */ color: oklch(51.5% 0.185 269.7);

Tailwind

colors: {
  custom: {
    50: '#8687df',
    500: '#4059d0',
    950: '#000000',
  },
}

SCSS

$custom: #4059d0;
$custom-light: #8687df;
$custom-dark: #000000;

JSON

{
  "hex": "#4059d0",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 208
  },
  "hsl": {
    "h": 229.583,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.51536,
    "c": 0.18534,
    "h": 269.7
  },
  "luminance": 0.12789
}

Semantic roles & 50–950 ramp

primary

#4059D0

secondary

#D5CA97

accent

#C844E4

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0D0B15

muted

#7D7C83

Preview Lab

Preview with #4059D0

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

Preview Lab → · Contrast checker → · Palette generator →