#357BC0#357BC0

#357BC0 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.128 H 250.8°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#357BC0
RGB	rgb(53, 123, 192)
HSL	hsl(210, 57%, 48%)
HSV	hsv(210, 72%, 75%)
CMYK	cmyk(72.4%, 35.9%, 0%, 24.7%)
CIE-LAB	lab(50.37, 1.40, -42.43)
CIE-LCH	lch(50.37, 42.45, 271.89°)
OKLab	oklab(57.17% -0.042 -0.1206)
OKLCH	oklch(57.17% 0.128 250.8)
XYZ	xyz(18.0620, 18.7266, 52.5216)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BC0 #C07A35

analogous

#35C0BF #357BC0 #3535C0

triadic

#357BC0 #C0357B #7BC035

tetradic

#357BC0 #BF35C0 #C07A35 #35C035

square

#357BC0 #BF35C0 #C07A35 #35C035

split-complementary

#357BC0 #C03535 #C0BF35

monochromatic

#1B3E60 #285C90 #357BC0 #5F9AD3 #8FB8E0

Accessibility & contrast

On white

4.42

#357BC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#357BC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BC0

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BC0	#FFFFFF	#000000	##000000
##357BC0	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7FC3

Deuteranopia (green-blind)

#4772BF

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357bc0;
/* rgb */ color: rgb(53, 123, 192);
/* oklch */ color: oklch(57.2% 0.128 250.8);

Tailwind

colors: {
  custom: {
    50: '#7ea0d3',
    500: '#357bc0',
    950: '#000000',
  },
}

SCSS

$custom: #357bc0;
$custom-light: #7ea0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#357bc0",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 192
  },
  "hsl": {
    "h": 209.784,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57167,
    "c": 0.12775,
    "h": 250.8
  },
  "luminance": 0.18729
}

Semantic roles & 50–950 ramp

primary

#357BC0

secondary

#CBA886

accent

#9348E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #357BC0

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

Preview Lab → · Contrast checker → · Palette generator →