#355FB0#355FB0

#355FB0 is a mid, vivid blue. Relative luminance 0.121; OKLCH L 49.9% C 0.137 H 262.0°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#355FB0
RGB	rgb(53, 95, 176)
HSL	hsl(220, 54%, 45%)
HSV	hsv(220, 70%, 69%)
CMYK	cmyk(69.9%, 46%, 0%, 31%)
CIE-LAB	lab(41.33, 13.06, -47.53)
CIE-LCH	lch(41.33, 49.29, 285.37°)
OKLab	oklab(49.86% -0.019 -0.1361)
OKLCH	oklch(49.86% 0.137 262)
XYZ	xyz(13.3941, 12.0745, 42.6906)
Luminance	0.1208 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FB0 #B08635

analogous

#359DB0 #355FB0 #4835B0

triadic

#355FB0 #B0355F #5FB035

tetradic

#355FB0 #B0359D #B08635 #35B048

square

#355FB0 #B0359D #B08635 #35B048

split-complementary

#355FB0 #B04835 #9DB035

monochromatic

#192C52 #274681 #355FB0 #567ECC #85A2DA

Accessibility & contrast

On white

6.15

#355FB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#355FB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FB0

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FB0	#FFFFFF	#000000	##FFFFFF
##355FB0	1.00	6.15	3.42	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3668B3

Deuteranopia (green-blind)

#1D5CAE

Tritanopia (blue-blind)

#00727F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #355fb0;
/* rgb */ color: rgb(53, 95, 176);
/* oklch */ color: oklch(49.9% 0.137 262.0);

Tailwind

colors: {
  custom: {
    50: '#7b8bc8',
    500: '#355fb0',
    950: '#000000',
  },
}

SCSS

$custom: #355fb0;
$custom-light: #7b8bc8;
$custom-dark: #000000;

JSON

{
  "hex": "#355fb0",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 176
  },
  "hsl": {
    "h": 219.512,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.49855,
    "c": 0.13738,
    "h": 262
  },
  "luminance": 0.12076
}

Semantic roles & 50–950 ramp

primary

#355FB0

secondary

#C4AC7D

accent

#AB4BDD

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #355FB0

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

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