#357AD0#357AD0

#357AD0 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.149 H 255.6°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#357AD0
RGB	rgb(53, 122, 208)
HSL	hsl(213, 62%, 51%)
HSV	hsv(213, 75%, 82%)
CMYK	cmyk(74.5%, 41.3%, 0%, 18.4%)
CIE-LAB	lab(50.95, 7.85, -50.63)
CIE-LCH	lch(50.95, 51.23, 278.82°)
OKLab	oklab(57.91% -0.0373 -0.1447)
OKLCH	oklch(57.91% 0.149 255.6)
XYZ	xyz(19.8087, 19.2278, 62.3296)
Luminance	0.1923 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357AD0 #D08B35

analogous

#35C8D0 #357AD0 #3D35D0

triadic

#357AD0 #D0357A #7AD035

tetradic

#357AD0 #D035C8 #D08B35 #35D03D

square

#357AD0 #D035C8 #D08B35 #35D03D

split-complementary

#357AD0 #D03D35 #C8D035

monochromatic

#1A4170 #265DA2 #357AD0 #679BDC #98BBE7

Accessibility & contrast

On white

4.33

#357AD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#357AD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357AD0

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357AD0	#FFFFFF	#000000	##000000
##357AD0	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5081D3

Deuteranopia (green-blind)

#3673CE

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357ad0;
/* rgb */ color: rgb(53, 122, 208);
/* oklch */ color: oklch(57.9% 0.149 255.6);

Tailwind

colors: {
  custom: {
    50: '#819fdf',
    500: '#357ad0',
    950: '#000000',
  },
}

SCSS

$custom: #357ad0;
$custom-light: #819fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#357ad0",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 208
  },
  "hsl": {
    "h": 213.29,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.5791,
    "c": 0.14943,
    "h": 255.6
  },
  "luminance": 0.1923
}

Semantic roles & 50–950 ramp

primary

#357AD0

secondary

#D3B48E

accent

#9D42E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #357AD0

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

Preview Lab → · Contrast checker → · Palette generator →