#355DCF#355DCF

#355DCF is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.7% C 0.182 H 265.7°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#355DCF
RGB	rgb(53, 93, 207)
HSL	hsl(224, 62%, 51%)
HSV	hsv(224, 74%, 81%)
CMYK	cmyk(74.4%, 55.1%, 0%, 18.8%)
CIE-LAB	lab(42.90, 25.85, -63.03)
CIE-LCH	lch(42.90, 68.12, 292.30°)
OKLab	oklab(51.72% -0.0138 -0.1817)
OKLCH	oklch(51.72% 0.182 265.7)
XYZ	xyz(16.6411, 13.0888, 60.6687)
Luminance	0.1309 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#355DCF #CFA735

analogous

#35AACF #355DCF #5A35CF

triadic

#355DCF #CF355D #5DCF35

tetradic

#355DCF #CF35AA #CFA735 #35CF5A

square

#355DCF #CF35AA #CFA735 #35CF5A

split-complementary

#355DCF #CF5A35 #AACF35

monochromatic

#1A306F #2646A1 #355DCF #6685DB #98ACE7

Accessibility & contrast

On white

5.80

#355DCF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#355DCF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #355DCF

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##355DCF	#FFFFFF	#000000	##FFFFFF
##355DCF	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD3

Deuteranopia (green-blind)

#005ECD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #355dcf;
/* rgb */ color: rgb(53, 93, 207);
/* oklch */ color: oklch(51.7% 0.182 265.7);

Tailwind

colors: {
  custom: {
    50: '#818ade',
    500: '#355dcf',
    950: '#000000',
  },
}

SCSS

$custom: #355dcf;
$custom-light: #818ade;
$custom-dark: #000000;

JSON

{
  "hex": "#355dcf",
  "rgb": {
    "r": 53,
    "g": 93,
    "b": 207
  },
  "hsl": {
    "h": 224.416,
    "s": 61.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.51717,
    "c": 0.18222,
    "h": 265.7
  },
  "luminance": 0.13091
}

Semantic roles & 50–950 ramp

primary

#355DCF

secondary

#D2C08E

accent

#BB43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #355DCF

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

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