#3B70BC#3B70BC

#3B70BC is a mid, vivid blue. Relative luminance 0.161; OKLCH L 54.7% C 0.132 H 257.6°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3B70BC
RGB	rgb(59, 112, 188)
HSL	hsl(215, 52%, 48%)
HSV	hsv(215, 69%, 74%)
CMYK	cmyk(68.6%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.17, 7.61, -45.19)
CIE-LCH	lch(47.17, 45.83, 279.56°)
OKLab	oklab(54.66% -0.0282 -0.1288)
OKLCH	oklch(54.66% 0.132 257.6)
XYZ	xyz(16.6716, 16.1473, 49.8053)
Luminance	0.1615 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70BC #BC873B

analogous

#3BB0BC #3B70BC #463BBC

triadic

#3B70BC #BC3B70 #70BC3B

tetradic

#3B70BC #BC3BB0 #BC873B #3BBC46

square

#3B70BC #BC3BB0 #BC873B #3BBC46

split-complementary

#3B70BC #BC463B #B0BC3B

monochromatic

#1E385F #2C548D #3B70BC #6591CF #94B2DD

Accessibility & contrast

On white

4.96

#3B70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#3B70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70BC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70BC	#FFFFFF	#000000	##FFFFFF
##3B70BC	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	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: #3b70bc;
/* rgb */ color: rgb(59, 112, 188);
/* oklch */ color: oklch(54.7% 0.132 257.6);

Tailwind

colors: {
  custom: {
    50: '#7f98d0',
    500: '#3b70bc',
    950: '#000000',
  },
}

SCSS

$custom: #3b70bc;
$custom-light: #7f98d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70bc",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 215.349,
    "s": 52.227,
    "l": 48.431
  },
  "oklch": {
    "l": 0.54661,
    "c": 0.13189,
    "h": 257.6
  },
  "luminance": 0.16149
}

Semantic roles & 50–950 ramp

primary

#3B70BC

secondary

#C9AF8A

accent

#A14CDC

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3B70BC

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

Preview Lab → · Contrast checker → · Palette generator →