#3A70C9#3A70C9

#3A70C9 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.4% C 0.150 H 259.9°. Best body text is #FFFFFF at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C9
RGB	rgb(58, 112, 201)
HSL	hsl(217, 57%, 51%)
HSV	hsv(217, 71%, 79%)
CMYK	cmyk(71.1%, 44.3%, 0%, 21.2%)
CIE-LAB	lab(47.88, 12.19, -51.53)
CIE-LCH	lch(47.88, 52.95, 283.30°)
OKLab	oklab(55.45% -0.0264 -0.1475)
OKLCH	oklch(55.45% 0.15 259.9)
XYZ	xyz(18.0779, 16.7030, 57.5183)
Luminance	0.1671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C9 #C9933A

analogous

#3AB7C9 #3A70C9 #4B3AC9

triadic

#3A70C9 #C93A70 #70C93A

tetradic

#3A70C9 #C93AB7 #C9933A #3AC94B

square

#3A70C9 #C93AB7 #C9933A #3AC94B

split-complementary

#3A70C9 #C94B3A #B7C93A

monochromatic

#1D3B6B #2B559B #3A70C9 #6A93D6 #9AB6E3

Accessibility & contrast

On white

4.84

#3A70C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#3A70C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C9

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C9	#FFFFFF	#000000	##FFFFFF
##3A70C9	1.00	4.84	4.34	4.84
#FFFFFF	4.84	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4479CC

Deuteranopia (green-blind)

#296CC7

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3a70c9;
/* rgb */ color: rgb(58, 112, 201);
/* oklch */ color: oklch(55.4% 0.150 259.9);

Tailwind

colors: {
  custom: {
    50: '#8198da',
    500: '#3a70c9',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c9;
$custom-light: #8198da;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c9",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 201
  },
  "hsl": {
    "h": 217.343,
    "s": 56.972,
    "l": 50.784
  },
  "oklch": {
    "l": 0.55449,
    "c": 0.14981,
    "h": 259.9
  },
  "luminance": 0.16705
}

Semantic roles & 50–950 ramp

primary

#3A70C9

secondary

#CFB790

accent

#A748E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70C9

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

Preview Lab → · Contrast checker → · Palette generator →