#355BA6#355BA6

#355BA6 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.3% C 0.128 H 262.4°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#355BA6
RGB	rgb(53, 91, 166)
HSL	hsl(220, 52%, 43%)
HSV	hsv(220, 68%, 65%)
CMYK	cmyk(68.1%, 45.2%, 0%, 34.9%)
CIE-LAB	lab(39.57, 11.95, -44.46)
CIE-LCH	lch(39.57, 46.03, 285.05°)
OKLab	oklab(48.29% -0.0169 -0.1271)
OKLCH	oklch(48.29% 0.128 262.4)
XYZ	xyz(12.0898, 10.9910, 37.5533)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355BA6 #A68035

analogous

#3593A6 #355BA6 #4735A6

triadic

#355BA6 #A6355B #5BA635

tetradic

#355BA6 #A63593 #A68035 #35A647

square

#355BA6 #A63593 #A68035 #35A647

split-complementary

#355BA6 #A64735 #93A635

monochromatic

#172849 #264278 #355BA6 #5179C7 #7F9CD6

Accessibility & contrast

On white

6.57

#355BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#355BA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355BA6

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355BA6	#FFFFFF	#000000	##FFFFFF
##355BA6	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3663A9

Deuteranopia (green-blind)

#2258A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #355ba6;
/* rgb */ color: rgb(53, 91, 166);
/* oklch */ color: oklch(48.3% 0.128 262.4);

Tailwind

colors: {
  custom: {
    50: '#7988c1',
    500: '#355ba6',
    950: '#000000',
  },
}

SCSS

$custom: #355ba6;
$custom-light: #7988c1;
$custom-dark: #000000;

JSON

{
  "hex": "#355ba6",
  "rgb": {
    "r": 53,
    "g": 91,
    "b": 166
  },
  "hsl": {
    "h": 219.823,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48294,
    "c": 0.12821,
    "h": 262.4
  },
  "luminance": 0.10992
}

Semantic roles & 50–950 ramp

primary

#355BA6

secondary

#BFA777

accent

#AB4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355BA6

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

Preview Lab → · Contrast checker → · Palette generator →