#355EBA#355EBA

#355EBA is a mid, vivid blue. Relative luminance 0.123; OKLCH L 50.3% C 0.153 H 263.7°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#355EBA
RGB	rgb(53, 94, 186)
HSL	hsl(222, 56%, 47%)
HSV	hsv(222, 72%, 73%)
CMYK	cmyk(71.5%, 49.5%, 0%, 27.1%)
CIE-LAB	lab(41.70, 17.42, -52.80)
CIE-LCH	lch(41.70, 55.60, 288.26°)
OKLab	oklab(50.34% -0.0166 -0.1516)
OKLCH	oklch(50.34% 0.153 263.7)
XYZ	xyz(14.3307, 12.3060, 48.0649)
Luminance	0.1231 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EBA #BA9135

analogous

#35A1BA #355EBA #4F35BA

triadic

#355EBA #BA355E #5EBA35

tetradic

#355EBA #BA35A1 #BA9135 #35BA4F

square

#355EBA #BA35A1 #BA9135 #35BA4F

split-complementary

#355EBA #BA4F35 #A1BA35

monochromatic

#1A2E5B #27468A #355EBA #5C80D0 #8BA5DE

Accessibility & contrast

On white

6.07

#355EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#355EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EBA

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EBA	#FFFFFF	#000000	##FFFFFF
##355EBA	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2969BD

Deuteranopia (green-blind)

#005DB8

Tritanopia (blue-blind)

#007483

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #355eba;
/* rgb */ color: rgb(53, 94, 186);
/* oklch */ color: oklch(50.3% 0.153 263.7);

Tailwind

colors: {
  custom: {
    50: '#7d8bcf',
    500: '#355eba',
    950: '#000000',
  },
}

SCSS

$custom: #355eba;
$custom-light: #7d8bcf;
$custom-dark: #000000;

JSON

{
  "hex": "#355eba",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 186
  },
  "hsl": {
    "h": 221.504,
    "s": 55.649,
    "l": 46.863
  },
  "oklch": {
    "l": 0.50341,
    "c": 0.15251,
    "h": 263.7
  },
  "luminance": 0.12307
}

Semantic roles & 50–950 ramp

primary

#355EBA

secondary

#C8B382

accent

#B149DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355EBA

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

Preview Lab → · Contrast checker → · Palette generator →