#3C70CB#3C70CB

#3C70CB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.152 H 260.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3C70CB
RGB	rgb(60, 112, 203)
HSL	hsl(218, 58%, 52%)
HSV	hsv(218, 70%, 80%)
CMYK	cmyk(70.4%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.08, 13.20, -52.36)
CIE-LCH	lch(48.08, 53.99, 284.15°)
OKLab	oklab(55.66% -0.0245 -0.1499)
OKLCH	oklch(55.66% 0.152 260.7)
XYZ	xyz(18.4333, 16.8589, 58.7710)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C70CB #CB973C

analogous

#3CB8CB #3C70CB #503CCB

triadic

#3C70CB #CB3C70 #70CB3C

tetradic

#3C70CB #CB3CB8 #CB973C #3CCB50

square

#3C70CB #CB3CB8 #CB973C #3CCB50

split-complementary

#3C70CB #CB503C #B8CB3C

monochromatic

#1E3B6F #2A559F #3C70CB #6C93D8 #9DB7E5

Accessibility & contrast

On white

4.80

#3C70CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3C70CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C70CB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C70CB	#FFFFFF	#000000	##FFFFFF
##3C70CB	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CE

Deuteranopia (green-blind)

#276CC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3c70cb;
/* rgb */ color: rgb(60, 112, 203);
/* oklch */ color: oklch(55.7% 0.152 260.7);

Tailwind

colors: {
  custom: {
    50: '#8298db',
    500: '#3c70cb',
    950: '#000000',
  },
}

SCSS

$custom: #3c70cb;
$custom-light: #8298db;
$custom-dark: #000000;

JSON

{
  "hex": "#3c70cb",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 218.182,
    "s": 57.895,
    "l": 51.569
  },
  "oklch": {
    "l": 0.55662,
    "c": 0.15185,
    "h": 260.7
  },
  "luminance": 0.16861
}

Semantic roles & 50–950 ramp

primary

#3C70CB

secondary

#D1BA92

accent

#A947E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3C70CB

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

Preview Lab → · Contrast checker → · Palette generator →