#4058D4#4058D4

#4058D4 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.7% C 0.192 H 270.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#4058D4
RGB	rgb(64, 88, 212)
HSL	hsl(230, 63%, 54%)
HSV	hsv(230, 70%, 83%)
CMYK	cmyk(69.8%, 58.5%, 0%, 16.9%)
CIE-LAB	lab(42.49, 32.24, -66.53)
CIE-LCH	lch(42.49, 73.93, 295.85°)
OKLab	oklab(51.67% -0.0001 -0.1918)
OKLCH	oklch(51.67% 0.192 270)
XYZ	xyz(17.4837, 12.8212, 63.8279)
Luminance	0.1282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058D4 #D4BC40

analogous

#40A2D4 #4058D4 #7240D4

triadic

#4058D4 #D44058 #58D440

tetradic

#4058D4 #D440A2 #D4BC40 #40D472

square

#4058D4 #D440A2 #D4BC40 #40D472

split-complementary

#4058D4 #D47240 #A2D440

monochromatic

#1C2C7D #273EAF #4058D4 #7284DF #A4AFEA

Accessibility & contrast

On white

5.89

#4058D4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#4058D4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058D4

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058D4	#FFFFFF	#000000	##FFFFFF
##4058D4	1.00	5.89	3.56	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BD8

Deuteranopia (green-blind)

#005ED2

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4058d4;
/* rgb */ color: rgb(64, 88, 212);
/* oklch */ color: oklch(51.7% 0.192 270.0);

Tailwind

colors: {
  custom: {
    50: '#8786e2',
    500: '#4058d4',
    950: '#000000',
  },
}

SCSS

$custom: #4058d4;
$custom-light: #8786e2;
$custom-dark: #000000;

JSON

{
  "hex": "#4058d4",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 212
  },
  "hsl": {
    "h": 230.27,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5167,
    "c": 0.19185,
    "h": 270
  },
  "luminance": 0.12823
}

Semantic roles & 50–950 ramp

primary

#4058D4

secondary

#D7CD98

accent

#CC42E6

background

#F9F8FE

surface

#F1EFFC

border

#CBCAD5

text

#0D0B15

muted

#7E7C84

Preview Lab

Preview with #4058D4

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

Preview Lab → · Contrast checker → · Palette generator →