#4075CC#4075CC

#4075CC is a mid, vivid blue. Relative luminance 0.182; OKLCH L 57.0% C 0.146 H 259.8°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#4075CC
RGB	rgb(64, 117, 204)
HSL	hsl(217, 58%, 53%)
HSV	hsv(217, 69%, 80%)
CMYK	cmyk(68.6%, 42.6%, 0%, 20%)
CIE-LAB	lab(49.70, 11.05, -50.33)
CIE-LCH	lch(49.70, 51.52, 282.38°)
OKLab	oklab(56.98% -0.0259 -0.1437)
OKLCH	oklch(56.98% 0.146 259.8)
XYZ	xyz(19.3708, 18.1702, 59.6014)
Luminance	0.1817 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075CC #CC9740

analogous

#40BBCC #4075CC #5140CC

triadic

#4075CC #CC4075 #75CC40

tetradic

#4075CC #CC40BB #CC9740 #40CC51

square

#4075CC #CC40BB #CC9740 #40CC51

split-complementary

#4075CC #CC5140 #BBCC40

monochromatic

#1F3F73 #2C59A3 #4075CC #7098D9 #A1BBE6

Accessibility & contrast

On white

4.53

#4075CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#4075CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075CC

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075CC	#FFFFFF	#000000	##000000
##4075CC	1.00	4.53	4.63	4.63
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7DCF

Deuteranopia (green-blind)

#3470CA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4075cc;
/* rgb */ color: rgb(64, 117, 204);
/* oklch */ color: oklch(57.0% 0.146 259.8);

Tailwind

colors: {
  custom: {
    50: '#849cdc',
    500: '#4075cc',
    950: '#000000',
  },
}

SCSS

$custom: #4075cc;
$custom-light: #849cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4075cc",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 217.286,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56976,
    "c": 0.14606,
    "h": 259.8
  },
  "luminance": 0.18172
}

Semantic roles & 50–950 ramp

primary

#4075CC

secondary

#D2BB95

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4075CC

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

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