#355DB2#355DB2

#355DB2 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.6% C 0.143 H 263.2°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#355DB2
RGB	rgb(53, 93, 178)
HSL	hsl(221, 54%, 45%)
HSV	hsv(221, 70%, 70%)
CMYK	cmyk(70.2%, 47.8%, 0%, 30.2%)
CIE-LAB	lab(40.89, 15.10, -49.41)
CIE-LCH	lch(40.89, 51.67, 286.99°)
OKLab	oklab(49.56% -0.0168 -0.1416)
OKLCH	oklch(49.56% 0.143 263.2)
XYZ	xyz(13.4156, 11.7986, 43.6812)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DB2 #B28A35

analogous

#359BB2 #355DB2 #4B35B2

triadic

#355DB2 #B2355D #5DB235

tetradic

#355DB2 #B2359B #B28A35 #35B24B

square

#355DB2 #B2359B #B28A35 #35B24B

split-complementary

#355DB2 #B24B35 #9BB235

monochromatic

#192C54 #274483 #355DB2 #577DCD #86A1DB

Accessibility & contrast

On white

6.25

#355DB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#355DB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DB2

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DB2	#FFFFFF	#000000	##FFFFFF
##355DB2	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3067B5

Deuteranopia (green-blind)

#115BB0

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #355db2;
/* rgb */ color: rgb(53, 93, 178);
/* oklch */ color: oklch(49.6% 0.143 263.2);

Tailwind

colors: {
  custom: {
    50: '#7b8ac9',
    500: '#355db2',
    950: '#000000',
  },
}

SCSS

$custom: #355db2;
$custom-light: #7b8ac9;
$custom-dark: #000000;

JSON

{
  "hex": "#355db2",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 178
  },
  "hsl": {
    "h": 220.8,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49559,
    "c": 0.14263,
    "h": 263.2
  },
  "luminance": 0.118
}

Semantic roles & 50–950 ramp

primary

#355DB2

secondary

#C5AE7E

accent

#AE4ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355DB2

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

Preview Lab → · Contrast checker → · Palette generator →