#357EC0#357EC0

#357EC0 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.125 H 248.9°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#357EC0
RGB	rgb(53, 126, 192)
HSL	hsl(208, 57%, 48%)
HSV	hsv(208, 72%, 75%)
CMYK	cmyk(72.4%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(51.25, -0.40, -41.03)
CIE-LCH	lch(51.25, 41.04, 269.44°)
OKLab	oklab(57.86% -0.0449 -0.1165)
OKLCH	oklch(57.86% 0.125 248.9)
XYZ	xyz(18.4399, 19.4823, 52.6476)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EC0 #C07735

analogous

#35C0BC #357EC0 #3538C0

triadic

#357EC0 #C0357E #7EC035

tetradic

#357EC0 #BC35C0 #C07735 #38C035

square

#357EC0 #BC35C0 #C07735 #38C035

split-complementary

#357EC0 #C03538 #C0BC35

monochromatic

#1B3F60 #285F90 #357EC0 #5F9CD3 #8FBAE0

Accessibility & contrast

On white

4.29

#357EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#357EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EC0

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EC0	#FFFFFF	#000000	##000000
##357EC0	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6081C3

Deuteranopia (green-blind)

#4C74BF

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357ec0;
/* rgb */ color: rgb(53, 126, 192);
/* oklch */ color: oklch(57.9% 0.125 248.9);

Tailwind

colors: {
  custom: {
    50: '#7ea3d3',
    500: '#357ec0',
    950: '#000000',
  },
}

SCSS

$custom: #357ec0;
$custom-light: #7ea3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#357ec0",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 208.489,
    "s": 56.735,
    "l": 48.039
  },
  "oklch": {
    "l": 0.57858,
    "c": 0.12487,
    "h": 248.9
  },
  "luminance": 0.19484
}

Semantic roles & 50–950 ramp

primary

#357EC0

secondary

#CBA786

accent

#9048E0

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #357EC0

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

Preview Lab → · Contrast checker → · Palette generator →