#3A70CF#3A70CF

#3A70CF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.8% C 0.158 H 260.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3A70CF
RGB	rgb(58, 112, 207)
HSL	hsl(218, 61%, 52%)
HSV	hsv(218, 72%, 81%)
CMYK	cmyk(72%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.25, 14.38, -54.38)
CIE-LCH	lch(48.25, 56.25, 284.81°)
OKLab	oklab(55.85% -0.0253 -0.1558)
OKLCH	oklch(55.85% 0.158 260.8)
XYZ	xyz(18.7975, 16.9908, 61.3083)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70CF #CF993A

analogous

#3ABBCF #3A70CF #4F3ACF

triadic

#3A70CF #CF3A70 #70CF3A

tetradic

#3A70CF #CF3ABB #CF993A #3ACF4F

square

#3A70CF #CF3ABB #CF993A #3ACF4F

split-complementary

#3A70CF #CF4F3A #BBCF3A

monochromatic

#1C3B73 #2855A4 #3A70CF #6B94DB #9CB7E7

Accessibility & contrast

On white

4.77

#3A70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3A70CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70CF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70CF	#FFFFFF	#000000	##FFFFFF
##3A70CF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7AD3

Deuteranopia (green-blind)

#1E6CCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a70cf;
/* rgb */ color: rgb(58, 112, 207);
/* oklch */ color: oklch(55.8% 0.158 260.8);

Tailwind

colors: {
  custom: {
    50: '#8298de',
    500: '#3a70cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a70cf;
$custom-light: #8298de;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70cf",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 218.255,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55848,
    "c": 0.15788,
    "h": 260.8
  },
  "luminance": 0.16993
}

Semantic roles & 50–950 ramp

primary

#3A70CF

secondary

#D3BB92

accent

#AA44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70CF

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

Preview Lab → · Contrast checker → · Palette generator →