#357CBF#357CBF

#357CBF is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.126 H 249.9°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#357CBF
RGB	rgb(53, 124, 191)
HSL	hsl(209, 57%, 48%)
HSV	hsv(209, 72%, 75%)
CMYK	cmyk(72.3%, 35.1%, 0%, 25.1%)
CIE-LAB	lab(50.61, 0.44, -41.47)
CIE-LCH	lch(50.61, 41.47, 270.60°)
OKLab	oklab(57.34% -0.0432 -0.1178)
OKLCH	oklch(57.34% 0.126 249.9)
XYZ	xyz(18.0763, 18.9318, 51.9816)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CBF #BF7835

analogous

#35BFBD #357CBF #3537BF

triadic

#357CBF #BF357C #7CBF35

tetradic

#357CBF #BD35BF #BF7835 #37BF35

square

#357CBF #BD35BF #BF7835 #37BF35

split-complementary

#357CBF #BF3537 #BFBD35

monochromatic

#1A3E5F #285D8F #357CBF #5F9AD3 #8FB8E0

Accessibility & contrast

On white

4.39

#357CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#357CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CBF

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CBF	#FFFFFF	#000000	##000000
##357CBF	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C2

Deuteranopia (green-blind)

#4A73BE

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357cbf;
/* rgb */ color: rgb(53, 124, 191);
/* oklch */ color: oklch(57.3% 0.126 249.9);

Tailwind

colors: {
  custom: {
    50: '#7da1d2',
    500: '#357cbf',
    950: '#000000',
  },
}

SCSS

$custom: #357cbf;
$custom-light: #7da1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#357cbf",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 191
  },
  "hsl": {
    "h": 209.13,
    "s": 56.557,
    "l": 47.843
  },
  "oklch": {
    "l": 0.57339,
    "c": 0.12552,
    "h": 249.9
  },
  "luminance": 0.18934
}

Semantic roles & 50–950 ramp

primary

#357CBF

secondary

#CAA785

accent

#9248E0

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357CBF

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

Preview Lab → · Contrast checker → · Palette generator →