#4071C5#4071C5

#4071C5 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.141 H 260.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#4071C5
RGB	rgb(64, 113, 197)
HSL	hsl(218, 53%, 51%)
HSV	hsv(218, 68%, 77%)
CMYK	cmyk(67.5%, 42.6%, 0%, 22.7%)
CIE-LAB	lab(48.17, 11.03, -48.76)
CIE-LCH	lch(48.17, 50.00, 282.75°)
OKLab	oklab(55.66% -0.0234 -0.1392)
OKLCH	oklch(55.66% 0.141 260.5)
XYZ	xyz(18.0939, 16.9296, 55.1267)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071C5 #C59440

analogous

#40B3C5 #4071C5 #5140C5

triadic

#4071C5 #C54071 #71C540

tetradic

#4071C5 #C540B3 #C59440 #40C551

square

#4071C5 #C540B3 #C59440 #40C551

split-complementary

#4071C5 #C55140 #B3C540

monochromatic

#203C6A #2F5699 #4071C5 #6F94D3 #9EB7E2

Accessibility & contrast

On white

4.79

#4071C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#4071C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071C5

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071C5	#FFFFFF	#000000	##FFFFFF
##4071C5	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4979C8

Deuteranopia (green-blind)

#336DC3

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #4071c5;
/* rgb */ color: rgb(64, 113, 197);
/* oklch */ color: oklch(55.7% 0.141 260.5);

Tailwind

colors: {
  custom: {
    50: '#8399d7',
    500: '#4071c5',
    950: '#000000',
  },
}

SCSS

$custom: #4071c5;
$custom-light: #8399d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4071c5",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 197
  },
  "hsl": {
    "h": 217.895,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.14118,
    "h": 260.5
  },
  "luminance": 0.16931
}

Semantic roles & 50–950 ramp

primary

#4071C5

secondary

#CEB893

accent

#A74BDD

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4071C5

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

Preview Lab → · Contrast checker → · Palette generator →