#355EB2#355EB2

#355EB2 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 49.8% C 0.141 H 262.8°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#355EB2
RGB	rgb(53, 94, 178)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 70%)
CMYK	cmyk(70.2%, 47.2%, 0%, 30.2%)
CIE-LAB	lab(41.18, 14.45, -48.96)
CIE-LCH	lch(41.18, 51.05, 286.44°)
OKLab	oklab(49.78% -0.0178 -0.1403)
OKLCH	oklch(49.78% 0.141 262.8)
XYZ	xyz(13.5039, 11.9753, 43.7106)
Luminance	0.1198 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EB2 #B28935

analogous

#359CB2 #355EB2 #4A35B2

triadic

#355EB2 #B2355E #5EB235

tetradic

#355EB2 #B2359C #B28935 #35B24A

square

#355EB2 #B2359C #B28935 #35B24A

split-complementary

#355EB2 #B24A35 #9CB235

monochromatic

#192C54 #274583 #355EB2 #577ECD #86A2DB

Accessibility & contrast

On white

6.18

#355EB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#355EB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EB2

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EB2	#FFFFFF	#000000	##FFFFFF
##355EB2	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3267B5

Deuteranopia (green-blind)

#165CB0

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355eb2;
/* rgb */ color: rgb(53, 94, 178);
/* oklch */ color: oklch(49.8% 0.141 262.8);

Tailwind

colors: {
  custom: {
    50: '#7b8bc9',
    500: '#355eb2',
    950: '#000000',
  },
}

SCSS

$custom: #355eb2;
$custom-light: #7b8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#355eb2",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 178
  },
  "hsl": {
    "h": 220.32,
    "s": 54.113,
    "l": 45.294
  },
  "oklch": {
    "l": 0.49775,
    "c": 0.1414,
    "h": 262.8
  },
  "luminance": 0.11977
}

Semantic roles & 50–950 ramp

primary

#355EB2

secondary

#C5AE7E

accent

#AD4ADD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355EB2

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

Preview Lab → · Contrast checker → · Palette generator →