#4058D3#4058D3

#4058D3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.6% C 0.191 H 270.0°. Best body text is #FFFFFF at 5.91:1 contrast (WCAG AA passes).

Color values

HEX	#4058D3
RGB	rgb(64, 88, 211)
HSL	hsl(230, 63%, 54%)
HSV	hsv(230, 70%, 83%)
CMYK	cmyk(69.7%, 58.3%, 0%, 17.3%)
CIE-LAB	lab(42.42, 31.88, -66.09)
CIE-LCH	lch(42.42, 73.37, 295.76°)
OKLab	oklab(51.59% -0.0001 -0.1905)
OKLCH	oklch(51.59% 0.191 270)
XYZ	xyz(17.3579, 12.7709, 63.1656)
Luminance	0.1277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058D3 #D3BB40

analogous

#40A2D3 #4058D3 #7240D3

triadic

#4058D3 #D34058 #58D340

tetradic

#4058D3 #D340A2 #D3BB40 #40D372

square

#4058D3 #D340A2 #D3BB40 #40D372

split-complementary

#4058D3 #D37240 #A2D340

monochromatic

#1D2C7C #283EAE #4058D3 #7283DE #A3AFEA

Accessibility & contrast

On white

5.91

#4058D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#4058D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058D3

5.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058D3	#FFFFFF	#000000	##FFFFFF
##4058D3	1.00	5.91	3.55	5.91
#FFFFFF	5.91	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4058d3;
/* rgb */ color: rgb(64, 88, 211);
/* oklch */ color: oklch(51.6% 0.191 270.0);

Tailwind

colors: {
  custom: {
    50: '#8786e1',
    500: '#4058d3',
    950: '#000000',
  },
}

SCSS

$custom: #4058d3;
$custom-light: #8786e1;
$custom-dark: #000000;

JSON

{
  "hex": "#4058d3",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 211
  },
  "hsl": {
    "h": 230.204,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.51589,
    "c": 0.19053,
    "h": 270
  },
  "luminance": 0.12773
}

Semantic roles & 50–950 ramp

primary

#4058D3

secondary

#D7CD98

accent

#CB42E6

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4058D3

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

Preview Lab → · Contrast checker → · Palette generator →