#4074DD#4074DD

#4074DD is a mid, vivid blue. Relative luminance 0.188; OKLCH L 57.9% C 0.170 H 262.5°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#4074DD
RGB	rgb(64, 116, 221)
HSL	hsl(220, 70%, 56%)
HSV	hsv(220, 71%, 87%)
CMYK	cmyk(71%, 47.5%, 0%, 13.3%)
CIE-LAB	lab(50.45, 17.78, -58.77)
CIE-LCH	lch(50.45, 61.40, 286.83°)
OKLab	oklab(57.88% -0.0221 -0.1686)
OKLCH	oklch(57.88% 0.17 262.5)
XYZ	xyz(21.4062, 18.7990, 70.8930)
Luminance	0.1880 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4074DD #DDA940

analogous

#40C3DD #4074DD #5A40DD

triadic

#4074DD #DD4074 #74DD40

tetradic

#4074DD #DD40C3 #DDA940 #40DD5A

square

#4074DD #DD40C3 #DDA940 #40DD5A

split-complementary

#4074DD #DD5A40 #C3DD40

monochromatic

#193E8A #2256BE #4074DD #749AE6 #A8C0EF

Accessibility & contrast

On white

4.41

#4074DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#4074DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4074DD

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4074DD	#FFFFFF	#000000	##000000
##4074DD	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B80E1

Deuteranopia (green-blind)

#0E71DB

Tritanopia (blue-blind)

#008D9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4074dd;
/* rgb */ color: rgb(64, 116, 221);
/* oklch */ color: oklch(57.9% 0.170 262.5);

Tailwind

colors: {
  custom: {
    50: '#879be8',
    500: '#4074dd',
    950: '#000000',
  },
}

SCSS

$custom: #4074dd;
$custom-light: #879be8;
$custom-dark: #000000;

JSON

{
  "hex": "#4074dd",
  "rgb": {
    "r": 64,
    "g": 116,
    "b": 221
  },
  "hsl": {
    "h": 220.127,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57883,
    "c": 0.17005,
    "h": 262.5
  },
  "luminance": 0.18801
}

Semantic roles & 50–950 ramp

primary

#4074DD

secondary

#DDC79C

accent

#B23BED

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4074DD

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

Preview Lab → · Contrast checker → · Palette generator →