#357B99#357B99

#357B99 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.084 H 229.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#357B99
RGB	rgb(53, 123, 153)
HSL	hsl(198, 49%, 40%)
HSV	hsv(198, 65%, 60%)
CMYK	cmyk(65.4%, 19.6%, 0%, 40%)
CIE-LAB	lab(48.54, -12.26, -22.66)
CIE-LCH	lch(48.54, 25.77, 241.60°)
OKLab	oklab(55.12% -0.0546 -0.0634)
OKLCH	oklch(55.12% 0.084 229.2)
XYZ	xyz(14.2987, 17.2212, 32.7013)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357B99 #995335

analogous

#359985 #357B99 #354999

triadic

#357B99 #99357B #7B9935

tetradic

#357B99 #853599 #995335 #499935

square

#357B99 #853599 #995335 #499935

split-complementary

#357B99 #993549 #998535

monochromatic

#16323E #25566C #357B99 #4B9DC1 #78B6D0

Accessibility & contrast

On white

4.72

#357B99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#357B99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357B99

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357B99	#FFFFFF	#000000	##FFFFFF
##357B99	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C799A

Deuteranopia (green-blind)

#5E6F99

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #357b99;
/* rgb */ color: rgb(53, 123, 153);
/* oklch */ color: oklch(55.1% 0.084 229.2);

Tailwind

colors: {
  custom: {
    50: '#77a1b7',
    500: '#357b99',
    950: '#000000',
  },
}

SCSS

$custom: #357b99;
$custom-light: #77a1b7;
$custom-dark: #000000;

JSON

{
  "hex": "#357b99",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 153
  },
  "hsl": {
    "h": 198,
    "s": 48.544,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55121,
    "c": 0.08367,
    "h": 229.2
  },
  "luminance": 0.17223
}

Semantic roles & 50–950 ramp

primary

#357B99

secondary

#B98671

accent

#7950D8

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #357B99

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

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