#4058D9#4058D9

#4058D9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 52.1% C 0.198 H 270.0°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#4058D9
RGB	rgb(64, 88, 217)
HSL	hsl(231, 67%, 55%)
HSV	hsv(231, 71%, 85%)
CMYK	cmyk(70.5%, 59.4%, 0%, 14.9%)
CIE-LAB	lab(42.88, 34.00, -68.77)
CIE-LCH	lch(42.88, 76.71, 296.31°)
OKLab	oklab(52.08% -0.0001 -0.1984)
OKLCH	oklch(52.08% 0.198 270)
XYZ	xyz(18.1242, 13.0774, 67.2012)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058D9 #D9C140

analogous

#40A5D9 #4058D9 #7440D9

triadic

#4058D9 #D94058 #58D940

tetradic

#4058D9 #D940A5 #D9C140 #40D974

square

#4058D9 #D940A5 #D9C140 #40D974

split-complementary

#4058D9 #D97440 #A5D940

monochromatic

#1A2B84 #243CB7 #4058D9 #7385E3 #A6B1ED

Accessibility & contrast

On white

5.81

#4058D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#4058D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058D9

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058D9	#FFFFFF	#000000	##FFFFFF
##4058D9	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DDD

Deuteranopia (green-blind)

#005ED6

Tritanopia (blue-blind)

#007890

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4058d9;
/* rgb */ color: rgb(64, 88, 217);
/* oklch */ color: oklch(52.1% 0.198 270.0);

Tailwind

colors: {
  custom: {
    50: '#8887e6',
    500: '#4058d9',
    950: '#000000',
  },
}

SCSS

$custom: #4058d9;
$custom-light: #8887e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4058d9",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 217
  },
  "hsl": {
    "h": 230.588,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.52078,
    "c": 0.1984,
    "h": 270
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#4058D9

secondary

#DAD09A

accent

#CF3EEA

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B16

muted

#7E7C84

Preview Lab

Preview with #4058D9

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

Preview Lab → · Contrast checker → · Palette generator →