#357BC3#357BC3

#357BC3 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.3% C 0.132 H 251.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#357BC3
RGB	rgb(53, 123, 195)
HSL	hsl(210, 57%, 49%)
HSV	hsv(210, 73%, 76%)
CMYK	cmyk(72.8%, 36.9%, 0%, 23.5%)
CIE-LAB	lab(50.52, 2.49, -43.90)
CIE-LCH	lch(50.52, 43.97, 273.25°)
OKLab	oklab(57.34% -0.0412 -0.1249)
OKLCH	oklch(57.34% 0.132 251.7)
XYZ	xyz(18.3978, 18.8609, 54.2901)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BC3 #C37D35

analogous

#35C2C3 #357BC3 #3635C3

triadic

#357BC3 #C3357B #7BC335

tetradic

#357BC3 #C335C2 #C37D35 #35C336

square

#357BC3 #C335C2 #C37D35 #35C336

split-complementary

#357BC3 #C33635 #C2C335

monochromatic

#1B3E63 #285D93 #357BC3 #619AD4 #91B9E1

Accessibility & contrast

On white

4.40

#357BC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#357BC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BC3

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BC3	#FFFFFF	#000000	##000000
##357BC3	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)

#5A7FC6

Deuteranopia (green-blind)

#4572C2

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #357bc3;
/* rgb */ color: rgb(53, 123, 195);
/* oklch */ color: oklch(57.3% 0.132 251.7);

Tailwind

colors: {
  custom: {
    50: '#7ea0d5',
    500: '#357bc3',
    950: '#000000',
  },
}

SCSS

$custom: #357bc3;
$custom-light: #7ea0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#357bc3",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 195
  },
  "hsl": {
    "h": 210.423,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57343,
    "c": 0.13157,
    "h": 251.7
  },
  "luminance": 0.18863
}

Semantic roles & 50–950 ramp

primary

#357BC3

secondary

#CCAA88

accent

#9547E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #357BC3

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

Preview Lab → · Contrast checker → · Palette generator →