#4071CF#4071CF

#4071CF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.3% C 0.155 H 262.0°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#4071CF
RGB	rgb(64, 113, 207)
HSL	hsl(219, 60%, 53%)
HSV	hsv(219, 69%, 81%)
CMYK	cmyk(69.1%, 45.4%, 0%, 18.8%)
CIE-LAB	lab(48.76, 14.62, -53.54)
CIE-LCH	lch(48.76, 55.50, 285.27°)
OKLab	oklab(56.31% -0.0216 -0.1532)
OKLCH	oklch(56.31% 0.155 262)
XYZ	xyz(19.2780, 17.4033, 61.3626)
Luminance	0.1741 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071CF #CF9E40

analogous

#40B8CF #4071CF #5640CF

triadic

#4071CF #CF4071 #71CF40

tetradic

#4071CF #CF40B8 #CF9E40 #40CF56

square

#4071CF #CF40B8 #CF9E40 #40CF56

split-complementary

#4071CF #CF5640 #B8CF40

monochromatic

#1E3C77 #2A55A8 #4071CF #7195DB #A2BAE8

Accessibility & contrast

On white

4.69

#4071CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#4071CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071CF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071CF	#FFFFFF	#000000	##FFFFFF
##4071CF	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#427BD3

Deuteranopia (green-blind)

#256ECD

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #4071cf;
/* rgb */ color: rgb(64, 113, 207);
/* oklch */ color: oklch(56.3% 0.155 262.0);

Tailwind

colors: {
  custom: {
    50: '#8599de',
    500: '#4071cf',
    950: '#000000',
  },
}

SCSS

$custom: #4071cf;
$custom-light: #8599de;
$custom-dark: #000000;

JSON

{
  "hex": "#4071cf",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 207
  },
  "hsl": {
    "h": 219.441,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.56311,
    "c": 0.15477,
    "h": 262
  },
  "luminance": 0.17405
}

Semantic roles & 50–950 ramp

primary

#4071CF

secondary

#D4BF97

accent

#AD45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #4071CF

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

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