#3A70C5#3A70C5

#3A70C5 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.2% C 0.144 H 259.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C5
RGB	rgb(58, 112, 197)
HSL	hsl(217, 55%, 50%)
HSV	hsv(217, 71%, 77%)
CMYK	cmyk(70.6%, 43.1%, 0%, 22.7%)
CIE-LAB	lab(47.65, 10.73, -49.62)
CIE-LCH	lch(47.65, 50.76, 282.20°)
OKLab	oklab(55.19% -0.0271 -0.1418)
OKLCH	oklch(55.19% 0.144 259.2)
XYZ	xyz(17.6135, 16.5172, 55.0724)
Luminance	0.1652 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C5 #C58F3A

analogous

#3AB5C5 #3A70C5 #4A3AC5

triadic

#3A70C5 #C53A70 #70C53A

tetradic

#3A70C5 #C53AB5 #C58F3A #3AC54A

square

#3A70C5 #C53AB5 #C58F3A #3AC54A

split-complementary

#3A70C5 #C54A3A #B5C53A

monochromatic

#1E3A66 #2C5596 #3A70C5 #6992D3 #99B5E1

Accessibility & contrast

On white

4.88

#3A70C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.30

#3A70C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C5

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C5	#FFFFFF	#000000	##FFFFFF
##3A70C5	1.00	4.88	4.30	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.30	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4778C8

Deuteranopia (green-blind)

#2E6BC3

Tritanopia (blue-blind)

#008491

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a70c5;
/* rgb */ color: rgb(58, 112, 197);
/* oklch */ color: oklch(55.2% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#8198d7',
    500: '#3a70c5',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c5;
$custom-light: #8198d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c5",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 197
  },
  "hsl": {
    "h": 216.691,
    "s": 54.51,
    "l": 50
  },
  "oklch": {
    "l": 0.55189,
    "c": 0.14441,
    "h": 259.2
  },
  "luminance": 0.16519
}

Semantic roles & 50–950 ramp

primary

#3A70C5

secondary

#CDB48E

accent

#A44ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3A70C5

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

Preview Lab → · Contrast checker → · Palette generator →