#4058B2#4058B2

#4058B2 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.1% C 0.145 H 269.2°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#4058B2
RGB	rgb(64, 88, 178)
HSL	hsl(227, 47%, 47%)
HSV	hsv(227, 64%, 70%)
CMYK	cmyk(64%, 50.6%, 0%, 30.2%)
CIE-LAB	lab(40.05, 20.15, -50.74)
CIE-LCH	lch(40.05, 54.59, 291.66°)
OKLab	oklab(49.07% -0.002 -0.1454)
OKLCH	oklch(49.07% 0.145 269.2)
XYZ	xyz(13.6372, 11.2826, 43.5699)
Luminance	0.1128 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4058B2 #B29A40

analogous

#4091B2 #4058B2 #6140B2

triadic

#4058B2 #B24058 #58B240

tetradic

#4058B2 #B24091 #B29A40 #40B261

square

#4058B2 #B24091 #B29A40 #40B261

split-complementary

#4058B2 #B26140 #91B240

monochromatic

#202B58 #304285 #4058B2 #677BC8 #94A2D8

Accessibility & contrast

On white

6.45

#4058B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4058B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4058B2

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4058B2	#FFFFFF	#000000	##FFFFFF
##4058B2	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2664B5

Deuteranopia (green-blind)

#045AB0

Tritanopia (blue-blind)

#006D7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4058b2;
/* rgb */ color: rgb(64, 88, 178);
/* oklch */ color: oklch(49.1% 0.145 269.2);

Tailwind

colors: {
  custom: {
    50: '#8086ca',
    500: '#4058b2',
    950: '#000000',
  },
}

SCSS

$custom: #4058b2;
$custom-light: #8086ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4058b2",
  "rgb": {
    "r": 64,
    "g": 88,
    "b": 178
  },
  "hsl": {
    "h": 227.368,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.49065,
    "c": 0.1454,
    "h": 269.2
  },
  "luminance": 0.11284
}

Semantic roles & 50–950 ramp

primary

#4058B2

secondary

#C4B88A

accent

#BB51D7

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #4058B2

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

Preview Lab → · Contrast checker → · Palette generator →