#355DA1#355DA1

#355DA1 is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.4% C 0.119 H 260.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#355DA1
RGB	rgb(53, 93, 161)
HSL	hsl(218, 50%, 42%)
HSV	hsv(218, 67%, 63%)
CMYK	cmyk(67.1%, 42.2%, 0%, 36.9%)
CIE-LAB	lab(39.84, 8.82, -41.04)
CIE-LCH	lch(39.84, 41.97, 282.12°)
OKLab	oklab(48.41% -0.0199 -0.117)
OKLCH	oklch(48.41% 0.119 260.3)
XYZ	xyz(11.8133, 11.1576, 35.2424)
Luminance	0.1116 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DA1 #A17935

analogous

#3593A1 #355DA1 #4335A1

triadic

#355DA1 #A1355D #5DA135

tetradic

#355DA1 #A13593 #A17935 #35A143

square

#355DA1 #A13593 #A17935 #35A143

split-complementary

#355DA1 #A14335 #93A135

monochromatic

#172845 #264273 #355DA1 #4E7AC5 #7C9DD4

Accessibility & contrast

On white

6.50

#355DA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#355DA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DA1

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DA1	#FFFFFF	#000000	##FFFFFF
##355DA1	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E63A4

Deuteranopia (green-blind)

#2D59A0

Tritanopia (blue-blind)

#006D77

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355da1;
/* rgb */ color: rgb(53, 93, 161);
/* oklch */ color: oklch(48.4% 0.119 260.3);

Tailwind

colors: {
  custom: {
    50: '#788abd',
    500: '#355da1',
    950: '#000000',
  },
}

SCSS

$custom: #355da1;
$custom-light: #788abd;
$custom-dark: #000000;

JSON

{
  "hex": "#355da1",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 161
  },
  "hsl": {
    "h": 217.778,
    "s": 50.467,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48412,
    "c": 0.11869,
    "h": 260.3
  },
  "luminance": 0.11159
}

Semantic roles & 50–950 ramp

primary

#355DA1

secondary

#BDA275

accent

#A64EDA

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355DA1

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

Preview Lab → · Contrast checker → · Palette generator →