#355FD7#355FD7

#355FD7 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.7% C 0.190 H 265.6°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#355FD7
RGB	rgb(53, 95, 215)
HSL	hsl(224, 67%, 53%)
HSV	hsv(224, 75%, 84%)
CMYK	cmyk(75.3%, 55.8%, 0%, 15.7%)
CIE-LAB	lab(44.01, 27.51, -65.80)
CIE-LCH	lch(44.01, 71.32, 292.69°)
OKLab	oklab(52.74% -0.0147 -0.1898)
OKLCH	oklch(52.74% 0.19 265.6)
XYZ	xyz(17.8218, 13.8456, 66.0100)
Luminance	0.1385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355FD7 #D7AD35

analogous

#35B0D7 #355FD7 #5C35D7

triadic

#355FD7 #D7355F #5FD735

tetradic

#355FD7 #D735B0 #D7AD35 #35D75C

square

#355FD7 #D735B0 #D7AD35 #35D75C

split-complementary

#355FD7 #D75C35 #B0D735

monochromatic

#18317A #2246AD #355FD7 #6887E1 #9BB0EB

Accessibility & contrast

On white

5.57

#355FD7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#355FD7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355FD7

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355FD7	#FFFFFF	#000000	##FFFFFF
##355FD7	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070DB

Deuteranopia (green-blind)

#0061D5

Tritanopia (blue-blind)

#007D92

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #355fd7;
/* rgb */ color: rgb(53, 95, 215);
/* oklch */ color: oklch(52.7% 0.190 265.6);

Tailwind

colors: {
  custom: {
    50: '#838be4',
    500: '#355fd7',
    950: '#000000',
  },
}

SCSS

$custom: #355fd7;
$custom-light: #838be4;
$custom-dark: #000000;

JSON

{
  "hex": "#355fd7",
  "rgb": {
    "r": 53,
    "g": 95,
    "b": 215
  },
  "hsl": {
    "h": 224.444,
    "s": 66.942,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52741,
    "c": 0.19039,
    "h": 265.6
  },
  "luminance": 0.13848
}

Semantic roles & 50–950 ramp

primary

#355FD7

secondary

#D7C591

accent

#BD3EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #355FD7

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

Preview Lab → · Contrast checker → · Palette generator →