#357BC9#357BC9

#357BC9 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.7% C 0.139 H 253.4°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#357BC9
RGB	rgb(53, 123, 201)
HSL	hsl(212, 58%, 50%)
HSV	hsv(212, 74%, 79%)
CMYK	cmyk(73.6%, 38.8%, 0%, 21.2%)
CIE-LAB	lab(50.85, 4.68, -46.81)
CIE-LCH	lch(50.85, 47.04, 275.70°)
OKLab	oklab(57.7% -0.0397 -0.1335)
OKLCH	oklch(57.7% 0.139 253.4)
XYZ	xyz(19.0898, 19.1377, 57.9349)
Luminance	0.1914 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BC9 #C98335

analogous

#35C5C9 #357BC9 #3935C9

triadic

#357BC9 #C9357B #7BC935

tetradic

#357BC9 #C935C5 #C98335 #35C939

square

#357BC9 #C935C5 #C98335 #35C939

split-complementary

#357BC9 #C93935 #C5C935

monochromatic

#1B4068 #285D99 #357BC9 #659BD6 #95BAE3

Accessibility & contrast

On white

4.35

#357BC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#357BC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BC9

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BC9	#FFFFFF	#000000	##000000
##357BC9	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5781CC

Deuteranopia (green-blind)

#3F73C7

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #357bc9;
/* rgb */ color: rgb(53, 123, 201);
/* oklch */ color: oklch(57.7% 0.139 253.4);

Tailwind

colors: {
  custom: {
    50: '#7fa0da',
    500: '#357bc9',
    950: '#000000',
  },
}

SCSS

$custom: #357bc9;
$custom-light: #7fa0da;
$custom-dark: #000000;

JSON

{
  "hex": "#357bc9",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 201
  },
  "hsl": {
    "h": 211.622,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57701,
    "c": 0.13928,
    "h": 253.4
  },
  "luminance": 0.1914
}

Semantic roles & 50–950 ramp

primary

#357BC9

secondary

#CEAF8B

accent

#9846E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #357BC9

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

Preview Lab → · Contrast checker → · Palette generator →