#3661AF#3661AF

#3661AF is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.3% C 0.133 H 261.2°. Best body text is #FFFFFF at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#3661AF
RGB	rgb(54, 97, 175)
HSL	hsl(219, 53%, 45%)
HSV	hsv(219, 69%, 69%)
CMYK	cmyk(69.1%, 44.6%, 0%, 31.4%)
CIE-LAB	lab(41.89, 11.56, -46.05)
CIE-LCH	lch(41.89, 47.48, 284.09°)
OKLab	oklab(50.27% -0.0203 -0.1317)
OKLCH	oklch(50.27% 0.133 261.2)
XYZ	xyz(13.5311, 12.4274, 42.2348)
Luminance	0.1243 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3661AF #AF8436

analogous

#369DAF #3661AF #4836AF

triadic

#3661AF #AF3661 #61AF36

tetradic

#3661AF #AF369D #AF8436 #36AF48

square

#3661AF #AF369D #AF8436 #36AF48

split-complementary

#3661AF #AF4836 #9DAF36

monochromatic

#192D51 #284780 #3661AF #5780CB #86A4DA

Accessibility & contrast

On white

6.02

#3661AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.49

#3661AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3661AF

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3661AF	#FFFFFF	#000000	##FFFFFF
##3661AF	1.00	6.02	3.49	6.02
#FFFFFF	6.02	1.00	21.00	1.00
#000000	3.49	21.00	1.00	21.00
##FFFFFF	6.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B69B2

Deuteranopia (green-blind)

#255EAD

Tritanopia (blue-blind)

#00737F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #3661af;
/* rgb */ color: rgb(54, 97, 175);
/* oklch */ color: oklch(50.3% 0.133 261.2);

Tailwind

colors: {
  custom: {
    50: '#7b8dc7',
    500: '#3661af',
    950: '#000000',
  },
}

SCSS

$custom: #3661af;
$custom-light: #7b8dc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3661af",
  "rgb": {
    "r": 54,
    "g": 97,
    "b": 175
  },
  "hsl": {
    "h": 218.678,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.50273,
    "c": 0.13322,
    "h": 261.2
  },
  "luminance": 0.12429
}

Semantic roles & 50–950 ramp

primary

#3661AF

secondary

#C3AB7D

accent

#A94CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3661AF

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

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