#357C8B#357C8B

#357C8B is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.8% C 0.074 H 213.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#357C8B
RGB	rgb(53, 124, 139)
HSL	hsl(190, 45%, 38%)
HSV	hsv(190, 62%, 55%)
CMYK	cmyk(61.9%, 10.8%, 0%, 45.5%)
CIE-LAB	lab(48.30, -17.37, -14.79)
CIE-LCH	lch(48.30, 22.81, 220.42°)
OKLab	oklab(54.75% -0.0614 -0.041)
OKLCH	oklch(54.75% 0.074 213.7)
XYZ	xyz(13.3342, 17.0349, 27.0064)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357C8B #8B4435

analogous

#358B6F #357C8B #35518B

triadic

#357C8B #8B357C #7C8B35

tetradic

#357C8B #6F358B #8B4435 #518B35

square

#357C8B #6F358B #8B4435 #518B35

split-complementary

#357C8B #8B3551 #8B6F35

monochromatic

#132D32 #24545F #357C8B #46A4B7 #71BAC9

Accessibility & contrast

On white

4.76

#357C8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#357C8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357C8B

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357C8B	#FFFFFF	#000000	##FFFFFF
##357C8B	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788C

Deuteranopia (green-blind)

#646F8B

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #357c8b;
/* rgb */ color: rgb(53, 124, 139);
/* oklch */ color: oklch(54.8% 0.074 213.7);

Tailwind

colors: {
  custom: {
    50: '#76a2ac',
    500: '#357c8b',
    950: '#000000',
  },
}

SCSS

$custom: #357c8b;
$custom-light: #76a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#357c8b",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 139
  },
  "hsl": {
    "h": 190.465,
    "s": 44.792,
    "l": 37.647
  },
  "oklch": {
    "l": 0.54753,
    "c": 0.07388,
    "h": 213.7
  },
  "luminance": 0.17036
}

Semantic roles & 50–950 ramp

primary

#357C8B

secondary

#B1776A

accent

#6A53D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #357C8B

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

Preview Lab → · Contrast checker → · Palette generator →