#355DA7#355DA7

#355DA7 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.8% C 0.127 H 261.5°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#355DA7
RGB	rgb(53, 93, 167)
HSL	hsl(219, 52%, 43%)
HSV	hsv(219, 68%, 65%)
CMYK	cmyk(68.3%, 44.3%, 0%, 34.5%)
CIE-LAB	lab(40.20, 11.02, -44.03)
CIE-LCH	lch(40.20, 45.39, 284.06°)
OKLab	oklab(48.81% -0.0187 -0.1258)
OKLCH	oklch(48.81% 0.127 261.5)
XYZ	xyz(12.3551, 11.3744, 38.0961)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DA7 #A77F35

analogous

#3596A7 #355DA7 #4635A7

triadic

#355DA7 #A7355D #5DA735

tetradic

#355DA7 #A73596 #A77F35 #35A746

square

#355DA7 #A73596 #A77F35 #35A746

split-complementary

#355DA7 #A74635 #96A735

monochromatic

#18294A #264379 #355DA7 #517BC8 #809ED7

Accessibility & contrast

On white

6.41

#355DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#355DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DA7

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DA7	#FFFFFF	#000000	##FFFFFF
##355DA7	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3964AA

Deuteranopia (green-blind)

#265AA5

Tritanopia (blue-blind)

#006E7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355da7;
/* rgb */ color: rgb(53, 93, 167);
/* oklch */ color: oklch(48.8% 0.127 261.5);

Tailwind

colors: {
  custom: {
    50: '#798ac1',
    500: '#355da7',
    950: '#000000',
  },
}

SCSS

$custom: #355da7;
$custom-light: #798ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#355da7",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 167
  },
  "hsl": {
    "h": 218.947,
    "s": 51.818,
    "l": 43.137
  },
  "oklch": {
    "l": 0.48806,
    "c": 0.12719,
    "h": 261.5
  },
  "luminance": 0.11376
}

Semantic roles & 50–950 ramp

primary

#355DA7

secondary

#C0A778

accent

#A94DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355DA7

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

Preview Lab → · Contrast checker → · Palette generator →