#355EB1#355EB1

#355EB1 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.7% C 0.140 H 262.6°. Best body text is #FFFFFF at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#355EB1
RGB	rgb(53, 94, 177)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 69%)
CMYK	cmyk(70.1%, 46.9%, 0%, 30.6%)
CIE-LAB	lab(41.11, 14.08, -48.47)
CIE-LCH	lch(41.11, 50.48, 286.20°)
OKLab	oklab(49.71% -0.0179 -0.1388)
OKLCH	oklch(49.71% 0.14 262.6)
XYZ	xyz(13.4039, 11.9352, 43.1838)
Luminance	0.1194 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EB1 #B18835

analogous

#359CB1 #355EB1 #4A35B1

triadic

#355EB1 #B1355E #5EB135

tetradic

#355EB1 #B1359C #B18835 #35B14A

square

#355EB1 #B1359C #B18835 #35B14A

split-complementary

#355EB1 #B14A35 #9CB135

monochromatic

#192C53 #274582 #355EB1 #577ECD #86A2DB

Accessibility & contrast

On white

6.20

#355EB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#355EB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EB1

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EB1	#FFFFFF	#000000	##FFFFFF
##355EB1	1.00	6.20	3.39	6.20
#FFFFFF	6.20	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3367B4

Deuteranopia (green-blind)

#185CAF

Tritanopia (blue-blind)

#00717F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355eb1;
/* rgb */ color: rgb(53, 94, 177);
/* oklch */ color: oklch(49.7% 0.140 262.6);

Tailwind

colors: {
  custom: {
    50: '#7b8bc9',
    500: '#355eb1',
    950: '#000000',
  },
}

SCSS

$custom: #355eb1;
$custom-light: #7b8bc9;
$custom-dark: #000000;

JSON

{
  "hex": "#355eb1",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 177
  },
  "hsl": {
    "h": 220.161,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.49706,
    "c": 0.14,
    "h": 262.6
  },
  "luminance": 0.11937
}

Semantic roles & 50–950 ramp

primary

#355EB1

secondary

#C4AD7D

accent

#AD4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355EB1

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

Preview Lab → · Contrast checker → · Palette generator →