#357CBD#357CBD

#357CBD is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.2% C 0.123 H 249.2°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#357CBD
RGB	rgb(53, 124, 189)
HSL	hsl(209, 56%, 47%)
HSV	hsv(209, 72%, 74%)
CMYK	cmyk(72%, 34.4%, 0%, 25.9%)
CIE-LAB	lab(50.50, -0.28, -40.49)
CIE-LCH	lch(50.50, 40.49, 269.60°)
OKLab	oklab(57.23% -0.0438 -0.115)
OKLCH	oklch(57.23% 0.123 249.2)
XYZ	xyz(17.8577, 18.8443, 50.8304)
Luminance	0.1885 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CBD #BD7635

analogous

#35BDBA #357CBD #3538BD

triadic

#357CBD #BD357C #7CBD35

tetradic

#357CBD #BA35BD #BD7635 #38BD35

square

#357CBD #BA35BD #BD7635 #38BD35

split-complementary

#357CBD #BD3538 #BDBA35

monochromatic

#1A3D5D #285D8D #357CBD #5D9AD2 #8DB8DF

Accessibility & contrast

On white

4.40

#357CBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#357CBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CBD

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CBD	#FFFFFF	#000000	##000000
##357CBD	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F7FC0

Deuteranopia (green-blind)

#4B72BC

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357cbd;
/* rgb */ color: rgb(53, 124, 189);
/* oklch */ color: oklch(57.2% 0.123 249.2);

Tailwind

colors: {
  custom: {
    50: '#7da1d1',
    500: '#357cbd',
    950: '#000000',
  },
}

SCSS

$custom: #357cbd;
$custom-light: #7da1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#357cbd",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 189
  },
  "hsl": {
    "h": 208.676,
    "s": 56.198,
    "l": 47.451
  },
  "oklch": {
    "l": 0.57225,
    "c": 0.12301,
    "h": 249.2
  },
  "luminance": 0.18846
}

Semantic roles & 50–950 ramp

primary

#357CBD

secondary

#CAA584

accent

#9148DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357CBD

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

Preview Lab → · Contrast checker → · Palette generator →