#3554C8#3554C8

#3554C8 is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.184 H 267.7°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3554C8
RGB	rgb(53, 84, 200)
HSL	hsl(227, 58%, 50%)
HSV	hsv(227, 74%, 78%)
CMYK	cmyk(73.5%, 58%, 0%, 21.6%)
CIE-LAB	lab(40.03, 29.07, -63.66)
CIE-LCH	lch(40.03, 69.98, 294.55°)
OKLab	oklab(49.4% -0.0075 -0.1837)
OKLCH	oklch(49.4% 0.184 267.7)
XYZ	xyz(15.0602, 11.2661, 56.0132)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3554C8 #C8A935

analogous

#359EC8 #3554C8 #6035C8

triadic

#3554C8 #C83554 #54C835

tetradic

#3554C8 #C8359E #C8A935 #35C860

square

#3554C8 #C8359E #C8A935 #35C860

split-complementary

#3554C8 #C86035 #9EC835

monochromatic

#1B2B67 #284098 #3554C8 #647CD6 #95A5E3

Accessibility & contrast

On white

6.45

#3554C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#3554C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3554C8

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3554C8	#FFFFFF	#000000	##FFFFFF
##3554C8	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CC

Deuteranopia (green-blind)

#0058C6

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3554c8;
/* rgb */ color: rgb(53, 84, 200);
/* oklch */ color: oklch(49.4% 0.184 267.7);

Tailwind

colors: {
  custom: {
    50: '#8083da',
    500: '#3554c8',
    950: '#000000',
  },
}

SCSS

$custom: #3554c8;
$custom-light: #8083da;
$custom-dark: #000000;

JSON

{
  "hex": "#3554c8",
  "rgb": {
    "r": 53,
    "g": 84,
    "b": 200
  },
  "hsl": {
    "h": 227.347,
    "s": 58.103,
    "l": 49.608
  },
  "oklch": {
    "l": 0.49396,
    "c": 0.18383,
    "h": 267.7
  },
  "luminance": 0.11268
}

Semantic roles & 50–950 ramp

primary

#3554C8

secondary

#CEC08B

accent

#C146E1

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3554C8

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

Preview Lab → · Contrast checker → · Palette generator →