#4075D3#4075D3

#4075D3 is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.4% C 0.155 H 260.9°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#4075D3
RGB	rgb(64, 117, 211)
HSL	hsl(218, 63%, 54%)
HSV	hsv(218, 70%, 83%)
CMYK	cmyk(69.7%, 44.5%, 0%, 17.3%)
CIE-LAB	lab(50.11, 13.56, -53.65)
CIE-LCH	lch(50.11, 55.34, 284.18°)
OKLab	oklab(57.43% -0.0246 -0.1535)
OKLCH	oklch(57.43% 0.155 260.9)
XYZ	xyz(20.2293, 18.5136, 64.1228)
Luminance	0.1852 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075D3 #D39E40

analogous

#40BFD3 #4075D3 #5540D3

triadic

#4075D3 #D34075 #75D340

tetradic

#4075D3 #D340BF #D39E40 #40D355

square

#4075D3 #D340BF #D39E40 #40D355

split-complementary

#4075D3 #D35540 #BFD340

monochromatic

#1D3F7C #2858AE #4075D3 #7299DE #A3BDEA

Accessibility & contrast

On white

4.47

#4075D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#4075D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075D3

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075D3	#FFFFFF	#000000	##000000
##4075D3	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#467ED7

Deuteranopia (green-blind)

#2A71D1

Tritanopia (blue-blind)

#008B9A

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4075d3;
/* rgb */ color: rgb(64, 117, 211);
/* oklch */ color: oklch(57.4% 0.155 260.9);

Tailwind

colors: {
  custom: {
    50: '#859ce1',
    500: '#4075d3',
    950: '#000000',
  },
}

SCSS

$custom: #4075d3;
$custom-light: #859ce1;
$custom-dark: #000000;

JSON

{
  "hex": "#4075d3",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 211
  },
  "hsl": {
    "h": 218.367,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.57426,
    "c": 0.15548,
    "h": 260.9
  },
  "luminance": 0.18516
}

Semantic roles & 50–950 ramp

primary

#4075D3

secondary

#D7C098

accent

#AB42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #4075D3

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

Preview Lab → · Contrast checker → · Palette generator →