#4058A3#4058A3

#4058A3 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.0% C 0.124 H 268.2°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#4058A3
RGB	rgb(64, 88, 163)
HSL	hsl(225, 44%, 45%)
HSV	hsv(225, 61%, 64%)
CMYK	cmyk(60.7%, 46%, 0%, 36.1%)
CIE-LAB	lab(39.09, 14.84, -43.40)
CIE-LCH	lch(39.09, 45.86, 288.88°)
OKLab	oklab(48.03% -0.004 -0.1238)
OKLCH	oklch(48.03% 0.124 268.2)
XYZ	xyz(12.2127, 10.7128, 36.0674)
Luminance	0.1071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058A3 #A38B40

analogous

#4089A3 #4058A3 #5A40A3

triadic

#4058A3 #A34058 #58A340

tetradic

#4058A3 #A34089 #A38B40 #40A35A

square

#4058A3 #A34089 #A38B40 #40A35A

split-complementary

#4058A3 #A35A40 #89A340

monochromatic

#1D294B #2F4077 #4058A3 #6077C0 #8C9DD2

Accessibility & contrast

On white

6.68

#4058A3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4058A3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058A3

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058A3	#FFFFFF	#000000	##FFFFFF
##4058A3	1.00	6.68	3.14	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3561A6

Deuteranopia (green-blind)

#2658A1

Tritanopia (blue-blind)

#006975

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4058a3;
/* rgb */ color: rgb(64, 88, 163);
/* oklch */ color: oklch(48.0% 0.124 268.2);

Tailwind

colors: {
  custom: {
    50: '#7e86bf',
    500: '#4058a3',
    950: '#000000',
  },
}

SCSS

$custom: #4058a3;
$custom-light: #7e86bf;
$custom-dark: #000000;

JSON

{
  "hex": "#4058a3",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 163
  },
  "hsl": {
    "h": 225.455,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.48025,
    "c": 0.12386,
    "h": 268.2
  },
  "luminance": 0.10714
}

Semantic roles & 50–950 ramp

primary

#4058A3

secondary

#BDAE82

accent

#B554D3

background

#F8F8FB

surface

#EFEFF7

border

#CACAD0

text

#0B0B12

muted

#7C7C81

Preview Lab

Preview with #4058A3

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

Preview Lab → · Contrast checker → · Palette generator →