#4071B7#4071B7

#4071B7 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.8% C 0.122 H 257.5°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#4071B7
RGB	rgb(64, 113, 183)
HSL	hsl(215, 48%, 48%)
HSV	hsv(215, 65%, 72%)
CMYK	cmyk(65%, 38.3%, 0%, 28.2%)
CIE-LAB	lab(47.39, 6.06, -41.93)
CIE-LCH	lch(47.39, 42.37, 278.22°)
OKLab	oklab(54.8% -0.0265 -0.1192)
OKLCH	oklch(54.8% 0.122 257.5)
XYZ	xyz(16.5637, 16.3175, 47.0673)
Luminance	0.1632 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4071B7 #B78640

analogous

#40ACB7 #4071B7 #4A40B7

triadic

#4071B7 #B74071 #71B740

tetradic

#4071B7 #B740AC #B78640 #40B74A

square

#4071B7 #B740AC #B78640 #40B74A

split-complementary

#4071B7 #B74A40 #ACB740

monochromatic

#20395C #30558A #4071B7 #6992CB #97B3DB

Accessibility & contrast

On white

4.93

#4071B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#4071B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4071B7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4071B7	#FFFFFF	#000000	##FFFFFF
##4071B7	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5276BA

Deuteranopia (green-blind)

#416BB6

Tritanopia (blue-blind)

#00818B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4071b7;
/* rgb */ color: rgb(64, 113, 183);
/* oklch */ color: oklch(54.8% 0.122 257.5);

Tailwind

colors: {
  custom: {
    50: '#8199cd',
    500: '#4071b7',
    950: '#000000',
  },
}

SCSS

$custom: #4071b7;
$custom-light: #8199cd;
$custom-dark: #000000;

JSON

{
  "hex": "#4071b7",
  "rgb": {
    "r": 64,
    "g": 113,
    "b": 183
  },
  "hsl": {
    "h": 215.294,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54801,
    "c": 0.12209,
    "h": 257.5
  },
  "luminance": 0.16319
}

Semantic roles & 50–950 ramp

primary

#4071B7

secondary

#C6AE8D

accent

#A050D8

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D13

muted

#7C7E82

Preview Lab

Preview with #4071B7

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

Preview Lab → · Contrast checker → · Palette generator →