#4071C7#4071C7

#4071C7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.144 H 260.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4071C7
RGB	rgb(64, 113, 199)
HSL	hsl(218, 55%, 52%)
HSV	hsv(218, 68%, 78%)
CMYK	cmyk(67.8%, 43.2%, 0%, 22%)
CIE-LAB	lab(48.29, 11.75, -49.73)
CIE-LCH	lch(48.29, 51.09, 283.29°)
OKLab	oklab(55.79% -0.023 -0.142)
OKLCH	oklch(55.79% 0.144 260.8)
XYZ	xyz(18.3246, 17.0219, 56.3416)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071C7 #C79640

analogous

#40B5C7 #4071C7 #5340C7

triadic

#4071C7 #C74071 #71C740

tetradic

#4071C7 #C740B5 #C79640 #40C753

square

#4071C7 #C740B5 #C79640 #40C753

split-complementary

#4071C7 #C75340 #B5C740

monochromatic

#203C6D #2E569C #4071C7 #6F94D5 #9FB7E3

Accessibility & contrast

On white

4.77

#4071C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#4071C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071C7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071C7	#FFFFFF	#000000	##FFFFFF
##4071C7	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4879CA

Deuteranopia (green-blind)

#316DC5

Tritanopia (blue-blind)

#008592

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4071c7;
/* rgb */ color: rgb(64, 113, 199);
/* oklch */ color: oklch(55.8% 0.144 260.8);

Tailwind

colors: {
  custom: {
    50: '#8399d8',
    500: '#4071c7',
    950: '#000000',
  },
}

SCSS

$custom: #4071c7;
$custom-light: #8399d8;
$custom-dark: #000000;

JSON

{
  "hex": "#4071c7",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 199
  },
  "hsl": {
    "h": 218.222,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5579,
    "c": 0.1439,
    "h": 260.8
  },
  "luminance": 0.17024
}

Semantic roles & 50–950 ramp

primary

#4071C7

secondary

#CFBA94

accent

#A84ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4071C7

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

Preview Lab → · Contrast checker → · Palette generator →