#357AD3#357AD3

#357AD3 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.1% C 0.153 H 256.2°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#357AD3
RGB	rgb(53, 122, 211)
HSL	hsl(214, 64%, 52%)
HSV	hsv(214, 75%, 83%)
CMYK	cmyk(74.9%, 42.2%, 0%, 17.3%)
CIE-LAB	lab(51.13, 8.96, -52.06)
CIE-LCH	lch(51.13, 52.82, 279.76°)
OKLab	oklab(58.1% -0.0366 -0.1489)
OKLCH	oklch(58.1% 0.153 256.2)
XYZ	xyz(20.1813, 19.3768, 64.2919)
Luminance	0.1938 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AD3 #D38E35

analogous

#35C9D3 #357AD3 #3F35D3

triadic

#357AD3 #D3357A #7AD335

tetradic

#357AD3 #D335C9 #D38E35 #35D33F

square

#357AD3 #D335C9 #D38E35 #35D33F

split-complementary

#357AD3 #D33F35 #C9D335

monochromatic

#194174 #245DA7 #357AD3 #679BDE #9ABCE9

Accessibility & contrast

On white

4.31

#357AD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#357AD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357AD3

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AD3	#FFFFFF	#000000	##000000
##357AD3	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E82D6

Deuteranopia (green-blind)

#3273D1

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357ad3;
/* rgb */ color: rgb(53, 122, 211);
/* oklch */ color: oklch(58.1% 0.153 256.2);

Tailwind

colors: {
  custom: {
    50: '#819fe1',
    500: '#357ad3',
    950: '#000000',
  },
}

SCSS

$custom: #357ad3;
$custom-light: #819fe1;
$custom-dark: #000000;

JSON

{
  "hex": "#357ad3",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 211
  },
  "hsl": {
    "h": 213.797,
    "s": 64.228,
    "l": 51.765
  },
  "oklch": {
    "l": 0.581,
    "c": 0.15334,
    "h": 256.2
  },
  "luminance": 0.19379
}

Semantic roles & 50–950 ramp

primary

#357AD3

secondary

#D5B68F

accent

#9E41E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #357AD3

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

Preview Lab → · Contrast checker → · Palette generator →