#4075C3#4075C3

#4075C3 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.4% C 0.134 H 258.0°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4075C3
RGB	rgb(64, 117, 195)
HSL	hsl(216, 52%, 51%)
HSV	hsv(216, 67%, 76%)
CMYK	cmyk(67.2%, 40%, 0%, 23.5%)
CIE-LAB	lab(49.19, 7.83, -45.99)
CIE-LCH	lch(49.19, 46.65, 279.67°)
OKLab	oklab(56.42% -0.0277 -0.131)
OKLCH	oklch(56.42% 0.134 258)
XYZ	xyz(18.3224, 17.7509, 54.0798)
Luminance	0.1775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075C3 #C38E40

analogous

#40B6C3 #4075C3 #4C40C3

triadic

#4075C3 #C34075 #75C340

tetradic

#4075C3 #C340B6 #C38E40 #40C34C

square

#4075C3 #C340B6 #C38E40 #40C34C

split-complementary

#4075C3 #C34C40 #B6C340

monochromatic

#213D68 #2F5997 #4075C3 #6F97D2 #9DB8E0

Accessibility & contrast

On white

4.61

#4075C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#4075C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4075C3

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075C3	#FFFFFF	#000000	##FFFFFF
##4075C3	1.00	4.61	4.55	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#517CC6

Deuteranopia (green-blind)

#3E6FC1

Tritanopia (blue-blind)

#008792

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4075c3;
/* rgb */ color: rgb(64, 117, 195);
/* oklch */ color: oklch(56.4% 0.134 258.0);

Tailwind

colors: {
  custom: {
    50: '#839cd5',
    500: '#4075c3',
    950: '#000000',
  },
}

SCSS

$custom: #4075c3;
$custom-light: #839cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#4075c3",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 195
  },
  "hsl": {
    "h": 215.725,
    "s": 52.191,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56416,
    "c": 0.13391,
    "h": 258
  },
  "luminance": 0.17753
}

Semantic roles & 50–950 ramp

primary

#4075C3

secondary

#CCB592

accent

#A24CDC

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4075C3

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

Preview Lab → · Contrast checker → · Palette generator →