#3A70CA#3A70CA

#3A70CA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.5% C 0.151 H 260.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3A70CA
RGB	rgb(58, 112, 202)
HSL	hsl(218, 58%, 51%)
HSV	hsv(218, 71%, 79%)
CMYK	cmyk(71.3%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(47.94, 12.55, -52.01)
CIE-LCH	lch(47.94, 53.50, 283.57°)
OKLab	oklab(55.52% -0.0262 -0.1489)
OKLCH	oklch(55.52% 0.151 260)
XYZ	xyz(18.1959, 16.7502, 58.1398)
Luminance	0.1675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70CA #CA943A

analogous

#3AB8CA #3A70CA #4C3ACA

triadic

#3A70CA #CA3A70 #70CA3A

tetradic

#3A70CA #CA3AB8 #CA943A #3ACA4C

square

#3A70CA #CA3AB8 #CA943A #3ACA4C

split-complementary

#3A70CA #CA4C3A #B8CA3A

monochromatic

#1D3B6C #2A559D #3A70CA #6A93D7 #9AB6E4

Accessibility & contrast

On white

4.83

#3A70CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#3A70CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70CA

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70CA	#FFFFFF	#000000	##FFFFFF
##3A70CA	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4379CD

Deuteranopia (green-blind)

#276CC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a70ca;
/* rgb */ color: rgb(58, 112, 202);
/* oklch */ color: oklch(55.5% 0.151 260.0);

Tailwind

colors: {
  custom: {
    50: '#8198db',
    500: '#3a70ca',
    950: '#000000',
  },
}

SCSS

$custom: #3a70ca;
$custom-light: #8198db;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70ca",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 217.5,
    "s": 57.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.55515,
    "c": 0.15115,
    "h": 260
  },
  "luminance": 0.16752
}

Semantic roles & 50–950 ramp

primary

#3A70CA

secondary

#D0B890

accent

#A747E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70CA

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

Preview Lab → · Contrast checker → · Palette generator →