#4071D7#4071D7

#4071D7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.166 H 262.9°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4071D7
RGB	rgb(64, 113, 215)
HSL	hsl(221, 65%, 55%)
HSV	hsv(221, 70%, 84%)
CMYK	cmyk(70.2%, 47.4%, 0%, 15.7%)
CIE-LAB	lab(49.26, 17.50, -57.30)
CIE-LCH	lch(49.26, 59.91, 286.98°)
OKLab	oklab(56.85% -0.0204 -0.1643)
OKLCH	oklch(56.85% 0.166 262.9)
XYZ	xyz(20.2809, 17.8044, 66.6446)
Luminance	0.1781 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071D7 #D7A640

analogous

#40BCD7 #4071D7 #5B40D7

triadic

#4071D7 #D74071 #71D740

tetradic

#4071D7 #D740BC #D7A640 #40D75B

square

#4071D7 #D740BC #D7A640 #40D75B

split-complementary

#4071D7 #D75B40 #BCD740

monochromatic

#1B3C81 #2654B4 #4071D7 #7397E2 #A5BCEC

Accessibility & contrast

On white

4.60

#4071D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#4071D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #4071D7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071D7	#FFFFFF	#000000	##FFFFFF
##4071D7	1.00	4.60	4.56	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A7CDB

Deuteranopia (green-blind)

#126FD5

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #4071d7;
/* rgb */ color: rgb(64, 113, 215);
/* oklch */ color: oklch(56.8% 0.166 262.9);

Tailwind

colors: {
  custom: {
    50: '#8699e4',
    500: '#4071d7',
    950: '#000000',
  },
}

SCSS

$custom: #4071d7;
$custom-light: #8699e4;
$custom-dark: #000000;

JSON

{
  "hex": "#4071d7",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 215
  },
  "hsl": {
    "h": 220.53,
    "s": 65.368,
    "l": 54.706
  },
  "oklch": {
    "l": 0.56848,
    "c": 0.16557,
    "h": 262.9
  },
  "luminance": 0.17807
}

Semantic roles & 50–950 ramp

primary

#4071D7

secondary

#D9C59A

accent

#B23FE8

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #4071D7

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

Preview Lab → · Contrast checker → · Palette generator →