#4071E1#4071E1

#4071E1 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.5% C 0.179 H 263.9°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#4071E1
RGB	rgb(64, 113, 225)
HSL	hsl(222, 73%, 57%)
HSV	hsv(222, 72%, 88%)
CMYK	cmyk(71.6%, 49.8%, 0%, 11.8%)
CIE-LAB	lab(49.90, 21.10, -61.92)
CIE-LCH	lch(49.90, 65.42, 288.82°)
OKLab	oklab(57.54% -0.0191 -0.1779)
OKLCH	oklch(57.54% 0.179 263.9)
XYZ	xyz(21.6053, 18.3342, 73.6198)
Luminance	0.1834 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071E1 #E1B040

analogous

#40C2E1 #4071E1 #6040E1

triadic

#4071E1 #E14071 #71E140

tetradic

#4071E1 #E140C2 #E1B040 #40E160

square

#4071E1 #E140C2 #E1B040 #40E160

split-complementary

#4071E1 #E16040 #C2E140

monochromatic

#173C90 #1F51C5 #4071E1 #7598E9 #AAC0F2

Accessibility & contrast

On white

4.50

#4071E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.67

#4071E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4071E1

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071E1	#FFFFFF	#000000	##000000
##4071E1	1.00	4.50	4.67	4.67
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7EE5

Deuteranopia (green-blind)

#0070DF

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4071e1;
/* rgb */ color: rgb(64, 113, 225);
/* oklch */ color: oklch(57.5% 0.179 263.9);

Tailwind

colors: {
  custom: {
    50: '#8899eb',
    500: '#4071e1',
    950: '#000000',
  },
}

SCSS

$custom: #4071e1;
$custom-light: #8899eb;
$custom-dark: #000000;

JSON

{
  "hex": "#4071e1",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 225
  },
  "hsl": {
    "h": 221.739,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57543,
    "c": 0.17893,
    "h": 263.9
  },
  "luminance": 0.18336
}

Semantic roles & 50–950 ramp

primary

#4071E1

secondary

#DFCB9D

accent

#B838F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4071E1

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

Preview Lab → · Contrast checker → · Palette generator →