#4059D9#4059D9

#4059D9 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 52.3% C 0.197 H 269.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#4059D9
RGB	rgb(64, 89, 217)
HSL	hsl(230, 67%, 55%)
HSV	hsv(230, 71%, 85%)
CMYK	cmyk(70.5%, 59%, 0%, 14.9%)
CIE-LAB	lab(43.13, 33.37, -68.36)
CIE-LCH	lch(43.13, 76.07, 296.02°)
OKLab	oklab(52.26% -0.0008 -0.1972)
OKLCH	oklch(52.26% 0.197 269.8)
XYZ	xyz(18.2068, 13.2427, 67.2288)
Luminance	0.1324 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4059D9 #D9C040

analogous

#40A6D9 #4059D9 #7340D9

triadic

#4059D9 #D94059 #59D940

tetradic

#4059D9 #D940A6 #D9C040 #40D973

square

#4059D9 #D940A6 #D9C040 #40D973

split-complementary

#4059D9 #D97340 #A6D940

monochromatic

#1A2C84 #243CB7 #4059D9 #7385E3 #A6B2ED

Accessibility & contrast

On white

5.76

#4059D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#4059D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4059D9

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4059D9	#FFFFFF	#000000	##FFFFFF
##4059D9	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#005FD6

Tritanopia (blue-blind)

#007990

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4059d9;
/* rgb */ color: rgb(64, 89, 217);
/* oklch */ color: oklch(52.3% 0.197 269.8);

Tailwind

colors: {
  custom: {
    50: '#8887e6',
    500: '#4059d9',
    950: '#000000',
  },
}

SCSS

$custom: #4059d9;
$custom-light: #8887e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4059d9",
  "rgb": {
    "r": 64,
    "g": 89,
    "b": 217
  },
  "hsl": {
    "h": 230.196,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52262,
    "c": 0.19721,
    "h": 269.8
  },
  "luminance": 0.13244
}

Semantic roles & 50–950 ramp

primary

#4059D9

secondary

#DAD09A

accent

#CE3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4059D9

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

Preview Lab → · Contrast checker → · Palette generator →