#3A70BC#3A70BC

#3A70BC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.6% C 0.132 H 257.3°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A70BC
RGB	rgb(58, 112, 188)
HSL	hsl(215, 53%, 48%)
HSV	hsv(215, 69%, 74%)
CMYK	cmyk(69.1%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.13, 7.46, -45.26)
CIE-LCH	lch(47.13, 45.87, 279.36°)
OKLab	oklab(54.62% -0.029 -0.129)
OKLCH	oklch(54.62% 0.132 257.3)
XYZ	xyz(16.6129, 16.1170, 49.8026)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70BC #BC863A

analogous

#3AB1BC #3A70BC #453ABC

triadic

#3A70BC #BC3A70 #70BC3A

tetradic

#3A70BC #BC3AB1 #BC863A #3ABC45

square

#3A70BC #BC3AB1 #BC863A #3ABC45

split-complementary

#3A70BC #BC453A #B1BC3A

monochromatic

#1D385E #2C548D #3A70BC #6491CF #93B2DE

Accessibility & contrast

On white

4.97

#3A70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3A70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70BC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70BC	#FFFFFF	#000000	##FFFFFF
##3A70BC	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D76BF

Deuteranopia (green-blind)

#396ABA

Tritanopia (blue-blind)

#00828D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3a70bc;
/* rgb */ color: rgb(58, 112, 188);
/* oklch */ color: oklch(54.6% 0.132 257.3);

Tailwind

colors: {
  custom: {
    50: '#7f98d0',
    500: '#3a70bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a70bc;
$custom-light: #7f98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70bc",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 215.077,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.54619,
    "c": 0.13225,
    "h": 257.3
  },
  "luminance": 0.16119
}

Semantic roles & 50–950 ramp

primary

#3A70BC

secondary

#C9AE89

accent

#A04CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3A70BC

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

Preview Lab → · Contrast checker → · Palette generator →