#4070C0#4070C0

#4070C0 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.136 H 260.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#4070C0
RGB	rgb(64, 112, 192)
HSL	hsl(218, 50%, 50%)
HSV	hsv(218, 67%, 75%)
CMYK	cmyk(66.7%, 41.7%, 0%, 24.7%)
CIE-LAB	lab(47.60, 9.87, -46.80)
CIE-LCH	lch(47.60, 47.83, 281.91°)
OKLab	oklab(55.13% -0.0234 -0.1335)
OKLCH	oklch(55.13% 0.136 260)
XYZ	xyz(17.4196, 16.4824, 52.1224)
Luminance	0.1648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070C0 #C09040

analogous

#40B0C0 #4070C0 #5040C0

triadic

#4070C0 #C04070 #70C040

tetradic

#4070C0 #C040B0 #C09040 #40C050

square

#4070C0 #C040B0 #C09040 #40C050

split-complementary

#4070C0 #C05040 #B0C040

monochromatic

#213A64 #305592 #4070C0 #6E92CF #9CB5DE

Accessibility & contrast

On white

4.89

#4070C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#4070C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070C0

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070C0	#FFFFFF	#000000	##FFFFFF
##4070C0	1.00	4.89	4.30	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C3

Deuteranopia (green-blind)

#376BBE

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4070c0;
/* rgb */ color: rgb(64, 112, 192);
/* oklch */ color: oklch(55.1% 0.136 260.0);

Tailwind

colors: {
  custom: {
    50: '#8298d3',
    500: '#4070c0',
    950: '#000000',
  },
}

SCSS

$custom: #4070c0;
$custom-light: #8298d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4070c0",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 192
  },
  "hsl": {
    "h": 217.5,
    "s": 50.394,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55128,
    "c": 0.1355,
    "h": 260
  },
  "luminance": 0.16484
}

Semantic roles & 50–950 ramp

primary

#4070C0

secondary

#CBB591

accent

#A54EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4070C0

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

Preview Lab → · Contrast checker → · Palette generator →