#355EBC#355EBC

#355EBC is a mid, vivid blue. Relative luminance 0.124; OKLCH L 50.5% C 0.155 H 264.0°. Best body text is #FFFFFF at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#355EBC
RGB	rgb(53, 94, 188)
HSL	hsl(222, 56%, 47%)
HSV	hsv(222, 72%, 74%)
CMYK	cmyk(71.8%, 50%, 0%, 26.3%)
CIE-LAB	lab(41.83, 18.16, -53.76)
CIE-LCH	lch(41.83, 56.74, 288.67°)
OKLab	oklab(50.49% -0.0164 -0.1544)
OKLCH	oklch(50.49% 0.155 264)
XYZ	xyz(14.5448, 12.3916, 49.1925)
Luminance	0.1239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355EBC #BC9335

analogous

#35A2BC #355EBC #5035BC

triadic

#355EBC #BC355E #5EBC35

tetradic

#355EBC #BC35A2 #BC9335 #35BC50

square

#355EBC #BC35A2 #BC9335 #35BC50

split-complementary

#355EBC #BC5035 #A2BC35

monochromatic

#1A2E5D #28468C #355EBC #5D80D1 #8DA6DF

Accessibility & contrast

On white

6.04

#355EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#355EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355EBC

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355EBC	#FFFFFF	#000000	##FFFFFF
##355EBC	1.00	6.04	3.48	6.04
#FFFFFF	6.04	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2769BF

Deuteranopia (green-blind)

#005DBA

Tritanopia (blue-blind)

#007484

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #355ebc;
/* rgb */ color: rgb(53, 94, 188);
/* oklch */ color: oklch(50.5% 0.155 264.0);

Tailwind

colors: {
  custom: {
    50: '#7d8bd1',
    500: '#355ebc',
    950: '#000000',
  },
}

SCSS

$custom: #355ebc;
$custom-light: #7d8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#355ebc",
  "rgb": {
    "r": 53,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 221.778,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.50486,
    "c": 0.15526,
    "h": 264
  },
  "luminance": 0.12393
}

Semantic roles & 50–950 ramp

primary

#355EBC

secondary

#C9B484

accent

#B248DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #355EBC

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

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