#357B9D#357B9D

#357B9D is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.3% C 0.087 H 232.5°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#357B9D
RGB	rgb(53, 123, 157)
HSL	hsl(200, 50%, 41%)
HSV	hsv(200, 66%, 62%)
CMYK	cmyk(66.2%, 21.7%, 0%, 38.4%)
CIE-LAB	lab(48.70, -10.91, -24.75)
CIE-LCH	lch(48.70, 27.05, 246.21°)
OKLab	oklab(55.31% -0.0531 -0.0693)
OKLCH	oklch(55.31% 0.087 232.5)
XYZ	xyz(14.6346, 17.3556, 34.4705)
Luminance	0.1736 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357B9D #9D5735

analogous

#359D8B #357B9D #35479D

triadic

#357B9D #9D357B #7B9D35

tetradic

#357B9D #8B359D #9D5735 #479D35

square

#357B9D #8B359D #9D5735 #479D35

split-complementary

#357B9D #9D3547 #9D8B35

monochromatic

#163341 #26576F #357B9D #4C9CC3 #7AB5D2

Accessibility & contrast

On white

4.70

#357B9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#357B9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357B9D

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357B9D	#FFFFFF	#000000	##FFFFFF
##357B9D	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7A9F

Deuteranopia (green-blind)

#5C6F9C

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #357b9d;
/* rgb */ color: rgb(53, 123, 157);
/* oklch */ color: oklch(55.3% 0.087 232.5);

Tailwind

colors: {
  custom: {
    50: '#78a1ba',
    500: '#357b9d',
    950: '#000000',
  },
}

SCSS

$custom: #357b9d;
$custom-light: #78a1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#357b9d",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 157
  },
  "hsl": {
    "h": 199.615,
    "s": 49.524,
    "l": 41.176
  },
  "oklch": {
    "l": 0.5531,
    "c": 0.08735,
    "h": 232.5
  },
  "luminance": 0.17357
}

Semantic roles & 50–950 ramp

primary

#357B9D

secondary

#BB8A73

accent

#7C4FD9

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #357B9D

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

Preview Lab → · Contrast checker → · Palette generator →