#357C99#357C99

#357C99 is a mid, moderate cyan. Relative luminance 0.175; OKLCH L 55.4% C 0.083 H 228.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#357C99
RGB	rgb(53, 124, 153)
HSL	hsl(197, 49%, 40%)
HSV	hsv(197, 65%, 60%)
CMYK	cmyk(65.4%, 19%, 0%, 40%)
CIE-LAB	lab(48.85, -12.82, -22.19)
CIE-LCH	lch(48.85, 25.63, 239.98°)
OKLab	oklab(55.37% -0.0557 -0.062)
OKLCH	oklch(55.37% 0.083 228)
XYZ	xyz(14.4233, 17.4706, 32.7429)
Luminance	0.1747 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357C99 #995235

analogous

#359984 #357C99 #354A99

triadic

#357C99 #99357C #7C9935

tetradic

#357C99 #843599 #995235 #4A9935

square

#357C99 #843599 #995235 #4A9935

split-complementary

#357C99 #99354A #998435

monochromatic

#16323E #25576C #357C99 #4B9EC1 #78B7D0

Accessibility & contrast

On white

4.67

#357C99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#357C99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357C99

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357C99	#FFFFFF	#000000	##FFFFFF
##357C99	1.00	4.67	4.49	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9A

Deuteranopia (green-blind)

#5F7099

Tritanopia (blue-blind)

#008485

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #357c99;
/* rgb */ color: rgb(53, 124, 153);
/* oklch */ color: oklch(55.4% 0.083 228.0);

Tailwind

colors: {
  custom: {
    50: '#77a2b7',
    500: '#357c99',
    950: '#000000',
  },
}

SCSS

$custom: #357c99;
$custom-light: #77a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#357c99",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 153
  },
  "hsl": {
    "h": 197.4,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55368,
    "c": 0.08337,
    "h": 228
  },
  "luminance": 0.17472
}

Semantic roles & 50–950 ramp

primary

#357C99

secondary

#B98671

accent

#7750D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #357C99

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

Preview Lab → · Contrast checker → · Palette generator →