#3671CA#3671CA

#3671CA is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.6% C 0.151 H 258.6°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3671CA
RGB	rgb(54, 113, 202)
HSL	hsl(216, 58%, 50%)
HSV	hsv(216, 73%, 79%)
CMYK	cmyk(73.3%, 44.1%, 0%, 20.8%)
CIE-LAB	lab(48.08, 11.37, -51.80)
CIE-LCH	lch(48.08, 53.03, 282.38°)
OKLab	oklab(55.58% -0.0299 -0.1483)
OKLCH	oklch(55.58% 0.151 258.6)
XYZ	xyz(18.0832, 16.8568, 58.1663)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3671CA #CA8F36

analogous

#36BBCA #3671CA #4536CA

triadic

#3671CA #CA3671 #71CA36

tetradic

#3671CA #CA36BB #CA8F36 #36CA45

square

#3671CA #CA36BB #CA8F36 #36CA45

split-complementary

#3671CA #CA4536 #BBCA36

monochromatic

#1C3B6A #29569A #3671CA #6693D7 #97B5E4

Accessibility & contrast

On white

4.80

#3671CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3671CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3671CA

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3671CA	#FFFFFF	#000000	##FFFFFF
##3671CA	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)

#4479CD

Deuteranopia (green-blind)

#286CC8

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3671ca;
/* rgb */ color: rgb(54, 113, 202);
/* oklch */ color: oklch(55.6% 0.151 258.6);

Tailwind

colors: {
  custom: {
    50: '#8099db',
    500: '#3671ca',
    950: '#000000',
  },
}

SCSS

$custom: #3671ca;
$custom-light: #8099db;
$custom-dark: #000000;

JSON

{
  "hex": "#3671ca",
  "rgb": {
    "r": 54,
    "g": 113,
    "b": 202
  },
  "hsl": {
    "h": 216.081,
    "s": 58.268,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55579,
    "c": 0.15129,
    "h": 258.6
  },
  "luminance": 0.16859
}

Semantic roles & 50–950 ramp

primary

#3671CA

secondary

#CFB58D

accent

#A446E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3671CA

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

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