#357B8A#357B8A

#357B8A is a mid, moderate cyan. Relative luminance 0.168; OKLCH L 54.5% C 0.073 H 214.0°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#357B8A
RGB	rgb(53, 123, 138)
HSL	hsl(191, 45%, 37%)
HSV	hsv(191, 62%, 54%)
CMYK	cmyk(61.6%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(47.95, -17.14, -14.74)
CIE-LCH	lch(47.95, 22.60, 220.69°)
OKLab	oklab(54.46% -0.0607 -0.0409)
OKLCH	oklch(54.46% 0.073 214)
XYZ	xyz(13.1367, 16.7565, 26.5818)
Luminance	0.1676 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357B8A #8A4435

analogous

#358A6E #357B8A #35518A

triadic

#357B8A #8A357B #7B8A35

tetradic

#357B8A #6E358A #8A4435 #518A35

square

#357B8A #6E358A #8A4435 #518A35

split-complementary

#357B8A #8A3551 #8A6E35

monochromatic

#132C32 #24545E #357B8A #46A2B6 #71B9C8

Accessibility & contrast

On white

4.83

#357B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#357B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #357B8A

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357B8A	#FFFFFF	#000000	##FFFFFF
##357B8A	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778B

Deuteranopia (green-blind)

#636E8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #357b8a;
/* rgb */ color: rgb(53, 123, 138);
/* oklch */ color: oklch(54.5% 0.073 214.0);

Tailwind

colors: {
  custom: {
    50: '#75a1ac',
    500: '#357b8a',
    950: '#000000',
  },
}

SCSS

$custom: #357b8a;
$custom-light: #75a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#357b8a",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 190.588,
    "s": 44.503,
    "l": 37.451
  },
  "oklch": {
    "l": 0.54458,
    "c": 0.07319,
    "h": 214
  },
  "luminance": 0.16758
}

Semantic roles & 50–950 ramp

primary

#357B8A

secondary

#B1776A

accent

#6A54D4

background

#F7F9FA

surface

#EDF2F4

border

#C8CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #357B8A

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

Preview Lab → · Contrast checker → · Palette generator →