#3555AF#3555AF

#3555AF is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.6% C 0.148 H 266.1°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#3555AF
RGB	rgb(53, 85, 175)
HSL	hsl(224, 54%, 45%)
HSV	hsv(224, 70%, 69%)
CMYK	cmyk(69.7%, 51.4%, 0%, 31.4%)
CIE-LAB	lab(38.46, 19.20, -51.57)
CIE-LCH	lch(38.46, 55.03, 290.43°)
OKLab	oklab(47.64% -0.01 -0.1481)
OKLCH	oklch(47.64% 0.148 266.1)
XYZ	xyz(12.4519, 10.3478, 41.8902)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3555AF #AF8F35

analogous

#3592AF #3555AF #5235AF

triadic

#3555AF #AF3555 #55AF35

tetradic

#3555AF #AF3592 #AF8F35 #35AF52

square

#3555AF #AF3592 #AF8F35 #35AF52

split-complementary

#3555AF #AF5235 #92AF35

monochromatic

#192751 #273E80 #3555AF #5675CC #859BDA

Accessibility & contrast

On white

6.84

#3555AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3555AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3555AF

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3555AF	#FFFFFF	#000000	##FFFFFF
##3555AF	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E60B2

Deuteranopia (green-blind)

#0055AD

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3555af;
/* rgb */ color: rgb(53, 85, 175);
/* oklch */ color: oklch(47.6% 0.148 266.1);

Tailwind

colors: {
  custom: {
    50: '#7b84c7',
    500: '#3555af',
    950: '#000000',
  },
}

SCSS

$custom: #3555af;
$custom-light: #7b84c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3555af",
  "rgb": {
    "r": 53,
    "g": 85,
    "b": 175
  },
  "hsl": {
    "h": 224.262,
    "s": 53.509,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47638,
    "c": 0.14844,
    "h": 266.1
  },
  "luminance": 0.10349
}

Semantic roles & 50–950 ramp

primary

#3555AF

secondary

#C4B17C

accent

#B74BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3555AF

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

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