#355EB0#355EB0

#355EB0 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.6% C 0.139 H 262.5°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#355EB0
RGB	rgb(53, 94, 176)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 69%)
CMYK	cmyk(69.9%, 46.6%, 0%, 31%)
CIE-LAB	lab(41.05, 13.71, -47.99)
CIE-LCH	lch(41.05, 49.91, 285.94°)
OKLab	oklab(49.64% -0.0181 -0.1374)
OKLCH	oklch(49.64% 0.139 262.5)
XYZ	xyz(13.3046, 11.8955, 42.6608)
Luminance	0.1190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EB0 #B08735

analogous

#359CB0 #355EB0 #4935B0

triadic

#355EB0 #B0355E #5EB035

tetradic

#355EB0 #B0359C #B08735 #35B049

square

#355EB0 #B0359C #B08735 #35B049

split-complementary

#355EB0 #B04935 #9CB035

monochromatic

#192C52 #274581 #355EB0 #567DCC #85A2DA

Accessibility & contrast

On white

6.21

#355EB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#355EB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EB0

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EB0	#FFFFFF	#000000	##FFFFFF
##355EB0	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3467B3

Deuteranopia (green-blind)

#1A5CAE

Tritanopia (blue-blind)

#00717E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355eb0;
/* rgb */ color: rgb(53, 94, 176);
/* oklch */ color: oklch(49.6% 0.139 262.5);

Tailwind

colors: {
  custom: {
    50: '#7b8bc8',
    500: '#355eb0',
    950: '#000000',
  },
}

SCSS

$custom: #355eb0;
$custom-light: #7b8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#355eb0",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 176
  },
  "hsl": {
    "h": 220,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49637,
    "c": 0.13861,
    "h": 262.5
  },
  "luminance": 0.11897
}

Semantic roles & 50–950 ramp

primary

#355EB0

secondary

#C4AC7D

accent

#AC4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355EB0

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

Preview Lab → · Contrast checker → · Palette generator →