#357CC9#357CC9

#357CC9 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.138 H 252.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#357CC9
RGB	rgb(53, 124, 201)
HSL	hsl(211, 58%, 50%)
HSV	hsv(211, 74%, 79%)
CMYK	cmyk(73.6%, 38.3%, 0%, 21.2%)
CIE-LAB	lab(51.14, 4.07, -46.35)
CIE-LCH	lch(51.14, 46.53, 275.01°)
OKLab	oklab(57.93% -0.0406 -0.1321)
OKLCH	oklch(57.93% 0.138 252.9)
XYZ	xyz(19.2145, 19.3871, 57.9764)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CC9 #C98235

analogous

#35C6C9 #357CC9 #3835C9

triadic

#357CC9 #C9357C #7CC935

tetradic

#357CC9 #C935C6 #C98235 #35C938

square

#357CC9 #C935C6 #C98235 #35C938

split-complementary

#357CC9 #C93835 #C6C935

monochromatic

#1B4068 #285E99 #357CC9 #659BD6 #95BBE3

Accessibility & contrast

On white

4.31

#357CC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#357CC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CC9

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CC9	#FFFFFF	#000000	##000000
##357CC9	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5881CC

Deuteranopia (green-blind)

#4174C7

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357cc9;
/* rgb */ color: rgb(53, 124, 201);
/* oklch */ color: oklch(57.9% 0.138 252.9);

Tailwind

colors: {
  custom: {
    50: '#7fa1da',
    500: '#357cc9',
    950: '#000000',
  },
}

SCSS

$custom: #357cc9;
$custom-light: #7fa1da;
$custom-dark: #000000;

JSON

{
  "hex": "#357cc9",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 201
  },
  "hsl": {
    "h": 211.216,
    "s": 58.268,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57927,
    "c": 0.13823,
    "h": 252.9
  },
  "luminance": 0.19389
}

Semantic roles & 50–950 ramp

primary

#357CC9

secondary

#CEAE8B

accent

#9746E1

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E15

muted

#7C7E83

Preview Lab

Preview with #357CC9

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

Preview Lab → · Contrast checker → · Palette generator →