#4070BD#4070BD

#4070BD is a mid, vivid blue. Relative luminance 0.164; OKLCH L 54.9% C 0.131 H 259.4°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#4070BD
RGB	rgb(64, 112, 189)
HSL	hsl(217, 49%, 50%)
HSV	hsv(217, 66%, 74%)
CMYK	cmyk(66.1%, 40.7%, 0%, 25.9%)
CIE-LAB	lab(47.43, 8.80, -45.34)
CIE-LCH	lch(47.43, 46.18, 280.99°)
OKLab	oklab(54.94% -0.0241 -0.1292)
OKLCH	oklch(54.94% 0.131 259.4)
XYZ	xyz(17.0906, 16.3508, 50.3896)
Luminance	0.1635 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070BD #BD8D40

analogous

#40AFBD #4070BD #4F40BD

triadic

#4070BD #BD4070 #70BD40

tetradic

#4070BD #BD40AF #BD8D40 #40BD4F

square

#4070BD #BD40AF #BD8D40 #40BD4F

split-complementary

#4070BD #BD4F40 #AFBD40

monochromatic

#213A62 #31558F #4070BD #6D92CD #9AB4DD

Accessibility & contrast

On white

4.92

#4070BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#4070BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070BD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070BD	#FFFFFF	#000000	##FFFFFF
##4070BD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D77C0

Deuteranopia (green-blind)

#3A6BBB

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #4070bd;
/* rgb */ color: rgb(64, 112, 189);
/* oklch */ color: oklch(54.9% 0.131 259.4);

Tailwind

colors: {
  custom: {
    50: '#8298d1',
    500: '#4070bd',
    950: '#000000',
  },
}

SCSS

$custom: #4070bd;
$custom-light: #8298d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4070bd",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 189
  },
  "hsl": {
    "h": 216.96,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54942,
    "c": 0.1314,
    "h": 259.4
  },
  "luminance": 0.16352
}

Semantic roles & 50–950 ramp

primary

#4070BD

secondary

#C9B390

accent

#A44FD9

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #4070BD

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

Preview Lab → · Contrast checker → · Palette generator →