#3670CA#3670CA

#3670CA is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.4% C 0.152 H 259.0°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#3670CA
RGB	rgb(54, 112, 202)
HSL	hsl(216, 58%, 50%)
HSV	hsv(216, 73%, 79%)
CMYK	cmyk(73.3%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(47.80, 12.00, -52.25)
CIE-LCH	lch(47.80, 53.61, 282.93°)
OKLab	oklab(55.36% -0.029 -0.1496)
OKLCH	oklch(55.36% 0.152 259)
XYZ	xyz(17.9723, 16.6349, 58.1293)
Luminance	0.1664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3670CA #CA9036

analogous

#36BACA #3670CA #4636CA

triadic

#3670CA #CA3670 #70CA36

tetradic

#3670CA #CA36BA #CA9036 #36CA46

square

#3670CA #CA36BA #CA9036 #36CA46

split-complementary

#3670CA #CA4636 #BACA36

monochromatic

#1C3A6A #29559A #3670CA #6692D7 #97B5E4

Accessibility & contrast

On white

4.85

#3670CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#3670CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3670CA

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3670CA	#FFFFFF	#000000	##FFFFFF
##3670CA	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4279CD

Deuteranopia (green-blind)

#256BC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3670ca;
/* rgb */ color: rgb(54, 112, 202);
/* oklch */ color: oklch(55.4% 0.152 259.0);

Tailwind

colors: {
  custom: {
    50: '#8098db',
    500: '#3670ca',
    950: '#000000',
  },
}

SCSS

$custom: #3670ca;
$custom-light: #8098db;
$custom-dark: #000000;

JSON

{
  "hex": "#3670ca",
  "rgb": {
    "r": 54,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 216.486,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55361,
    "c": 0.15243,
    "h": 259
  },
  "luminance": 0.16637
}

Semantic roles & 50–950 ramp

primary

#3670CA

secondary

#CFB58D

accent

#A546E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3670CA

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

Preview Lab → · Contrast checker → · Palette generator →