#4071DC#4071DC

#4071DC is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.172 H 263.4°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#4071DC
RGB	rgb(64, 113, 220)
HSL	hsl(221, 69%, 56%)
HSV	hsv(221, 71%, 86%)
CMYK	cmyk(70.9%, 48.6%, 0%, 13.7%)
CIE-LAB	lab(49.58, 19.30, -59.62)
CIE-LCH	lch(49.58, 62.66, 287.94°)
OKLab	oklab(57.19% -0.0197 -0.1711)
OKLCH	oklch(57.19% 0.172 263.4)
XYZ	xyz(20.9332, 18.0653, 70.0800)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071DC #DCAB40

analogous

#40BFDC #4071DC #5D40DC

triadic

#4071DC #DC4071 #71DC40

tetradic

#4071DC #DC40BF #DCAB40 #40DC5D

square

#4071DC #DC40BF #DCAB40 #40DC5D

split-complementary

#4071DC #DC5D40 #BFDC40

monochromatic

#193C89 #2353BC #4071DC #7497E5 #A7BEEF

Accessibility & contrast

On white

4.55

#4071DC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#4071DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4071DC

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071DC	#FFFFFF	#000000	##000000
##4071DC	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357DE0

Deuteranopia (green-blind)

#006FDA

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4071dc;
/* rgb */ color: rgb(64, 113, 220);
/* oklch */ color: oklch(57.2% 0.172 263.4);

Tailwind

colors: {
  custom: {
    50: '#8799e7',
    500: '#4071dc',
    950: '#000000',
  },
}

SCSS

$custom: #4071dc;
$custom-light: #8799e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4071dc",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 220
  },
  "hsl": {
    "h": 221.154,
    "s": 69.027,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57193,
    "c": 0.17227,
    "h": 263.4
  },
  "luminance": 0.18068
}

Semantic roles & 50–950 ramp

primary

#4071DC

secondary

#DCC89B

accent

#B53CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4071DC

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

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