#3C70BC#3C70BC

#3C70BC is a mid, vivid blue. Relative luminance 0.162; OKLCH L 54.7% C 0.132 H 257.9°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#3C70BC
RGB	rgb(60, 112, 188)
HSL	hsl(216, 52%, 49%)
HSV	hsv(216, 68%, 74%)
CMYK	cmyk(68.1%, 40.4%, 0%, 26.3%)
CIE-LAB	lab(47.21, 7.78, -45.12)
CIE-LCH	lch(47.21, 45.79, 279.78°)
OKLab	oklab(54.7% -0.0275 -0.1286)
OKLCH	oklch(54.7% 0.132 257.9)
XYZ	xyz(16.7315, 16.1781, 49.8081)
Luminance	0.1618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C70BC #BC883C

analogous

#3CB0BC #3C70BC #483CBC

triadic

#3C70BC #BC3C70 #70BC3C

tetradic

#3C70BC #BC3CB0 #BC883C #3CBC48

square

#3C70BC #BC3CB0 #BC883C #3CBC48

split-complementary

#3C70BC #BC483C #B0BC3C

monochromatic

#1E395F #2D548E #3C70BC #6791CE #95B2DD

Accessibility & contrast

On white

4.96

#3C70BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#3C70BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C70BC

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C70BC	#FFFFFF	#000000	##FFFFFF
##3C70BC	1.00	4.96	4.24	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.24	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: #3c70bc;
/* rgb */ color: rgb(60, 112, 188);
/* oklch */ color: oklch(54.7% 0.132 257.9);

Tailwind

colors: {
  custom: {
    50: '#8098d0',
    500: '#3c70bc',
    950: '#000000',
  },
}

SCSS

$custom: #3c70bc;
$custom-light: #8098d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c70bc",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 188
  },
  "hsl": {
    "h": 215.625,
    "s": 51.613,
    "l": 48.627
  },
  "oklch": {
    "l": 0.54703,
    "c": 0.13152,
    "h": 257.9
  },
  "luminance": 0.1618
}

Semantic roles & 50–950 ramp

primary

#3C70BC

secondary

#C9B08B

accent

#A14DDB

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3C70BC

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

Preview Lab → · Contrast checker → · Palette generator →