#355AA6#355AA6

#355AA6 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.1% C 0.129 H 262.9°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#355AA6
RGB	rgb(53, 90, 166)
HSL	hsl(220, 52%, 43%)
HSV	hsv(220, 68%, 65%)
CMYK	cmyk(68.1%, 45.8%, 0%, 34.9%)
CIE-LAB	lab(39.28, 12.60, -44.92)
CIE-LCH	lch(39.28, 46.65, 285.67°)
OKLab	oklab(48.07% -0.0159 -0.1285)
OKLCH	oklch(48.07% 0.129 262.9)
XYZ	xyz(12.0049, 10.8212, 37.5250)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AA6 #A68135

analogous

#3592A6 #355AA6 #4835A6

triadic

#355AA6 #A6355A #5AA635

tetradic

#355AA6 #A63592 #A68135 #35A648

square

#355AA6 #A63592 #A68135 #35A648

split-complementary

#355AA6 #A64835 #92A635

monochromatic

#172849 #264178 #355AA6 #5178C7 #7F9CD6

Accessibility & contrast

On white

6.64

#355AA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#355AA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AA6

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AA6	#FFFFFF	#000000	##FFFFFF
##355AA6	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3462A9

Deuteranopia (green-blind)

#2058A4

Tritanopia (blue-blind)

#006C78

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #355aa6;
/* rgb */ color: rgb(53, 90, 166);
/* oklch */ color: oklch(48.1% 0.129 262.9);

Tailwind

colors: {
  custom: {
    50: '#7988c1',
    500: '#355aa6',
    950: '#000000',
  },
}

SCSS

$custom: #355aa6;
$custom-light: #7988c1;
$custom-dark: #000000;

JSON

{
  "hex": "#355aa6",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 166
  },
  "hsl": {
    "h": 220.354,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48073,
    "c": 0.12945,
    "h": 262.9
  },
  "luminance": 0.10822
}

Semantic roles & 50–950 ramp

primary

#355AA6

secondary

#BFA877

accent

#AC4DDB

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355AA6

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

Preview Lab → · Contrast checker → · Palette generator →