#355AB0#355AB0

#355AB0 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.144 H 264.2°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#355AB0
RGB	rgb(53, 90, 176)
HSL	hsl(222, 54%, 45%)
HSV	hsv(222, 70%, 69%)
CMYK	cmyk(69.9%, 48.9%, 0%, 31%)
CIE-LAB	lab(39.92, 16.31, -49.80)
CIE-LCH	lch(39.92, 52.40, 288.13°)
OKLab	oklab(48.77% -0.0144 -0.1428)
OKLCH	oklch(48.77% 0.144 264.2)
XYZ	xyz(12.9581, 11.2025, 42.5453)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AB0 #B08B35

analogous

#3598B0 #355AB0 #4D35B0

triadic

#355AB0 #B0355A #5AB035

tetradic

#355AB0 #B03598 #B08B35 #35B04D

square

#355AB0 #B03598 #B08B35 #35B04D

split-complementary

#355AB0 #B04D35 #98B035

monochromatic

#192A52 #274281 #355AB0 #567ACC #859FDA

Accessibility & contrast

On white

6.48

#355AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#355AB0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AB0

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AB0	#FFFFFF	#000000	##FFFFFF
##355AB0	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B64B3

Deuteranopia (green-blind)

#0759AE

Tritanopia (blue-blind)

#006E7C

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355ab0;
/* rgb */ color: rgb(53, 90, 176);
/* oklch */ color: oklch(48.8% 0.144 264.2);

Tailwind

colors: {
  custom: {
    50: '#7b88c8',
    500: '#355ab0',
    950: '#000000',
  },
}

SCSS

$custom: #355ab0;
$custom-light: #7b88c8;
$custom-dark: #000000;

JSON

{
  "hex": "#355ab0",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 176
  },
  "hsl": {
    "h": 221.951,
    "s": 53.712,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48771,
    "c": 0.14355,
    "h": 264.2
  },
  "luminance": 0.11204
}

Semantic roles & 50–950 ramp

primary

#355AB0

secondary

#C4AF7D

accent

#B14BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #355AB0

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

Preview Lab → · Contrast checker → · Palette generator →