#4075DD#4075DD

#4075DD is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.1% C 0.169 H 262.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#4075DD
RGB	rgb(64, 117, 221)
HSL	hsl(220, 70%, 56%)
HSV	hsv(220, 71%, 87%)
CMYK	cmyk(71%, 47.1%, 0%, 13.3%)
CIE-LAB	lab(50.72, 17.16, -58.34)
CIE-LCH	lch(50.72, 60.81, 286.39°)
OKLab	oklab(58.09% -0.023 -0.1673)
OKLCH	oklch(58.09% 0.169 262.2)
XYZ	xyz(21.5221, 19.0307, 70.9316)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4075DD #DDA840

analogous

#40C4DD #4075DD #5940DD

triadic

#4075DD #DD4075 #75DD40

tetradic

#4075DD #DD40C4 #DDA840 #40DD59

square

#4075DD #DD40C4 #DDA840 #40DD59

split-complementary

#4075DD #DD5940 #C4DD40

monochromatic

#193F8A #2257BE #4075DD #749BE6 #A8C0EF

Accessibility & contrast

On white

4.37

#4075DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#4075DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4075DD

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4075DD	#FFFFFF	#000000	##000000
##4075DD	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D80E1

Deuteranopia (green-blind)

#1472DB

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #4075dd;
/* rgb */ color: rgb(64, 117, 221);
/* oklch */ color: oklch(58.1% 0.169 262.2);

Tailwind

colors: {
  custom: {
    50: '#879ce8',
    500: '#4075dd',
    950: '#000000',
  },
}

SCSS

$custom: #4075dd;
$custom-light: #879ce8;
$custom-dark: #000000;

JSON

{
  "hex": "#4075dd",
  "rgb": {
    "r": 64,
    "g": 117,
    "b": 221
  },
  "hsl": {
    "h": 219.745,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.58091,
    "c": 0.16887,
    "h": 262.2
  },
  "luminance": 0.19033
}

Semantic roles & 50–950 ramp

primary

#4075DD

secondary

#DDC79C

accent

#B13BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4075DD

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

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