#4075C7#4075C7

#4075C7 is a mid, vivid blue. Relative luminance 0.179; OKLCH L 56.7% C 0.139 H 258.9°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#4075C7
RGB	rgb(64, 117, 199)
HSL	hsl(216, 55%, 52%)
HSV	hsv(216, 68%, 78%)
CMYK	cmyk(67.8%, 41.2%, 0%, 22%)
CIE-LAB	lab(49.42, 9.26, -47.92)
CIE-LCH	lch(49.42, 48.81, 280.93°)
OKLab	oklab(56.66% -0.0269 -0.1367)
OKLCH	oklch(56.66% 0.139 258.9)
XYZ	xyz(18.7807, 17.9342, 56.4936)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075C7 #C79240

analogous

#40B9C7 #4075C7 #4F40C7

triadic

#4075C7 #C74075 #75C740

tetradic

#4075C7 #C740B9 #C79240 #40C74F

square

#4075C7 #C740B9 #C79240 #40C74F

split-complementary

#4075C7 #C74F40 #B9C740

monochromatic

#203E6D #2E599C #4075C7 #6F97D5 #9FB9E3

Accessibility & contrast

On white

4.58

#4075C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#4075C7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075C7

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075C7	#FFFFFF	#000000	##000000
##4075C7	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F7CCA

Deuteranopia (green-blind)

#3A70C5

Tritanopia (blue-blind)

#008894

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4075c7;
/* rgb */ color: rgb(64, 117, 199);
/* oklch */ color: oklch(56.7% 0.139 258.9);

Tailwind

colors: {
  custom: {
    50: '#839cd8',
    500: '#4075c7',
    950: '#000000',
  },
}

SCSS

$custom: #4075c7;
$custom-light: #839cd8;
$custom-dark: #000000;

JSON

{
  "hex": "#4075c7",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 199
  },
  "hsl": {
    "h": 216.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56662,
    "c": 0.13931,
    "h": 258.9
  },
  "luminance": 0.17936
}

Semantic roles & 50–950 ramp

primary

#4075C7

secondary

#CFB894

accent

#A44ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #4075C7

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

Preview Lab → · Contrast checker → · Palette generator →