#355AB1#355AB1

#355AB1 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 48.8% C 0.145 H 264.4°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#355AB1
RGB	rgb(53, 90, 177)
HSL	hsl(222, 54%, 45%)
HSV	hsv(222, 70%, 69%)
CMYK	cmyk(70.1%, 49.2%, 0%, 30.6%)
CIE-LAB	lab(39.99, 16.68, -50.29)
CIE-LCH	lch(39.99, 52.98, 288.35°)
OKLab	oklab(48.84% -0.0142 -0.1442)
OKLCH	oklch(48.84% 0.145 264.4)
XYZ	xyz(13.0574, 11.2422, 43.0683)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355AB1 #B18C35

analogous

#3598B1 #355AB1 #4E35B1

triadic

#355AB1 #B1355A #5AB135

tetradic

#355AB1 #B13598 #B18C35 #35B14E

square

#355AB1 #B13598 #B18C35 #35B14E

split-complementary

#355AB1 #B14E35 #98B135

monochromatic

#192A53 #274282 #355AB1 #577ACD #869FDB

Accessibility & contrast

On white

6.46

#355AB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#355AB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355AB1

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355AB1	#FFFFFF	#000000	##FFFFFF
##355AB1	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A64B4

Deuteranopia (green-blind)

#0359AF

Tritanopia (blue-blind)

#006E7D

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #355ab1;
/* rgb */ color: rgb(53, 90, 177);
/* oklch */ color: oklch(48.8% 0.145 264.4);

Tailwind

colors: {
  custom: {
    50: '#7b88c9',
    500: '#355ab1',
    950: '#000000',
  },
}

SCSS

$custom: #355ab1;
$custom-light: #7b88c9;
$custom-dark: #000000;

JSON

{
  "hex": "#355ab1",
  "rgb": {
    "r": 53,
    "g": 90,
    "b": 177
  },
  "hsl": {
    "h": 222.097,
    "s": 53.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48843,
    "c": 0.14495,
    "h": 264.4
  },
  "luminance": 0.11244
}

Semantic roles & 50–950 ramp

primary

#355AB1

secondary

#C4AF7D

accent

#B14BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #355AB1

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

Preview Lab → · Contrast checker → · Palette generator →