#355AB8#355AB8

#355AB8 is a mid, vivid blue. Relative luminance 0.115; OKLCH L 49.4% C 0.155 H 265.0°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#355AB8
RGB	rgb(53, 90, 184)
HSL	hsl(223, 55%, 46%)
HSV	hsv(223, 71%, 72%)
CMYK	cmyk(71.2%, 51.1%, 0%, 27.8%)
CIE-LAB	lab(40.46, 19.28, -53.64)
CIE-LCH	lch(40.46, 57.00, 289.77°)
OKLab	oklab(49.35% -0.0134 -0.1541)
OKLCH	oklch(49.35% 0.155 265)
XYZ	xyz(13.7731, 11.5285, 46.8375)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AB8 #B89335

analogous

#359CB8 #355AB8 #5135B8

triadic

#355AB8 #B8355A #5AB835

tetradic

#355AB8 #B8359C #B89335 #35B851

square

#355AB8 #B8359C #B89335 #35B851

split-complementary

#355AB8 #B85135 #9CB835

monochromatic

#1A2C59 #274388 #355AB8 #5B7CD0 #8AA2DD

Accessibility & contrast

On white

6.35

#355AB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#355AB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AB8

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AB8	#FFFFFF	#000000	##FFFFFF
##355AB8	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2166BB

Deuteranopia (green-blind)

#005AB6

Tritanopia (blue-blind)

#007080

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #355ab8;
/* rgb */ color: rgb(53, 90, 184);
/* oklch */ color: oklch(49.4% 0.155 265.0);

Tailwind

colors: {
  custom: {
    50: '#7d88ce',
    500: '#355ab8',
    950: '#000000',
  },
}

SCSS

$custom: #355ab8;
$custom-light: #7d88ce;
$custom-dark: #000000;

JSON

{
  "hex": "#355ab8",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 184
  },
  "hsl": {
    "h": 223.053,
    "s": 55.274,
    "l": 46.471
  },
  "oklch": {
    "l": 0.49352,
    "c": 0.1547,
    "h": 265
  },
  "luminance": 0.1153
}

Semantic roles & 50–950 ramp

primary

#355AB8

secondary

#C7B481

accent

#B449DF

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355AB8

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

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