#4070C1#4070C1

#4070C1 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.137 H 260.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#4070C1
RGB	rgb(64, 112, 193)
HSL	hsl(218, 51%, 50%)
HSV	hsv(218, 67%, 76%)
CMYK	cmyk(66.8%, 42%, 0%, 24.3%)
CIE-LAB	lab(47.66, 10.23, -47.28)
CIE-LCH	lch(47.66, 48.37, 282.20°)
OKLab	oklab(55.19% -0.0232 -0.1349)
OKLCH	oklch(55.19% 0.137 260.2)
XYZ	xyz(17.5307, 16.5269, 52.7079)
Luminance	0.1653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4070C1 #C19140

analogous

#40B1C1 #4070C1 #5040C1

triadic

#4070C1 #C14070 #70C140

tetradic

#4070C1 #C140B1 #C19140 #40C150

square

#4070C1 #C140B1 #C19140 #40C150

split-complementary

#4070C1 #C15040 #B1C140

monochromatic

#213B66 #305594 #4070C1 #6E93D0 #9CB5DF

Accessibility & contrast

On white

4.88

#4070C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#4070C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4070C1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4070C1	#FFFFFF	#000000	##FFFFFF
##4070C1	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A78C4

Deuteranopia (green-blind)

#366CBF

Tritanopia (blue-blind)

#00838F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #4070c1;
/* rgb */ color: rgb(64, 112, 193);
/* oklch */ color: oklch(55.2% 0.137 260.2);

Tailwind

colors: {
  custom: {
    50: '#8298d4',
    500: '#4070c1',
    950: '#000000',
  },
}

SCSS

$custom: #4070c1;
$custom-light: #8298d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4070c1",
  "rgb": {
    "r": 64,
    "g": 112,
    "b": 193
  },
  "hsl": {
    "h": 217.674,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55191,
    "c": 0.13687,
    "h": 260.2
  },
  "luminance": 0.16529
}

Semantic roles & 50–950 ramp

primary

#4070C1

secondary

#CBB692

accent

#A64DDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #4070C1

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

Preview Lab → · Contrast checker → · Palette generator →