#355EA6#355EA6

#355EA6 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.0% C 0.125 H 260.8°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#355EA6
RGB	rgb(53, 94, 166)
HSL	hsl(218, 52%, 43%)
HSV	hsv(218, 68%, 65%)
CMYK	cmyk(68.1%, 43.4%, 0%, 34.9%)
CIE-LAB	lab(40.43, 10.01, -43.07)
CIE-LCH	lch(40.43, 44.22, 283.09°)
OKLab	oklab(48.96% -0.0199 -0.123)
OKLCH	oklch(48.96% 0.125 260.8)
XYZ	xyz(12.3514, 11.5142, 37.6405)
Luminance	0.1152 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EA6 #A67D35

analogous

#3596A6 #355EA6 #4435A6

triadic

#355EA6 #A6355E #5EA635

tetradic

#355EA6 #A63596 #A67D35 #35A644

square

#355EA6 #A63596 #A67D35 #35A644

split-complementary

#355EA6 #A64435 #96A635

monochromatic

#172949 #264478 #355EA6 #517CC7 #7F9FD6

Accessibility & contrast

On white

6.36

#355EA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#355EA6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EA6

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EA6	#FFFFFF	#000000	##FFFFFF
##355EA6	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C65A9

Deuteranopia (green-blind)

#295AA5

Tritanopia (blue-blind)

#006F7A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355ea6;
/* rgb */ color: rgb(53, 94, 166);
/* oklch */ color: oklch(49.0% 0.125 260.8);

Tailwind

colors: {
  custom: {
    50: '#798bc1',
    500: '#355ea6',
    950: '#000000',
  },
}

SCSS

$custom: #355ea6;
$custom-light: #798bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#355ea6",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 166
  },
  "hsl": {
    "h": 218.23,
    "s": 51.598,
    "l": 42.941
  },
  "oklch": {
    "l": 0.48963,
    "c": 0.12456,
    "h": 260.8
  },
  "luminance": 0.11515
}

Semantic roles & 50–950 ramp

primary

#355EA6

secondary

#BFA577

accent

#A74DDB

background

#F7F8FB

surface

#EEF0F7

border

#C9CBD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #355EA6

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

Preview Lab → · Contrast checker → · Palette generator →