#357EC3#357EC3

#357EC3 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.129 H 250.0°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#357EC3
RGB	rgb(53, 126, 195)
HSL	hsl(209, 57%, 49%)
HSV	hsv(209, 73%, 76%)
CMYK	cmyk(72.8%, 35.4%, 0%, 23.5%)
CIE-LAB	lab(51.40, 0.68, -42.51)
CIE-LCH	lch(51.40, 42.51, 270.91°)
OKLab	oklab(58.03% -0.044 -0.1208)
OKLCH	oklch(58.03% 0.129 250)
XYZ	xyz(18.7757, 19.6166, 54.4160)
Luminance	0.1962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EC3 #C37A35

analogous

#35C3C1 #357EC3 #3537C3

triadic

#357EC3 #C3357E #7EC335

tetradic

#357EC3 #C135C3 #C37A35 #37C335

square

#357EC3 #C135C3 #C37A35 #37C335

split-complementary

#357EC3 #C33537 #C3C135

monochromatic

#1B4063 #285F93 #357EC3 #619CD4 #91BAE1

Accessibility & contrast

On white

4.26

#357EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#357EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EC3

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EC3	#FFFFFF	#000000	##000000
##357EC3	1.00	4.26	4.92	4.92
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F82C6

Deuteranopia (green-blind)

#4A74C2

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357ec3;
/* rgb */ color: rgb(53, 126, 195);
/* oklch */ color: oklch(58.0% 0.129 250.0);

Tailwind

colors: {
  custom: {
    50: '#7ea3d5',
    500: '#357ec3',
    950: '#000000',
  },
}

SCSS

$custom: #357ec3;
$custom-light: #7ea3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#357ec3",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 195
  },
  "hsl": {
    "h": 209.155,
    "s": 57.258,
    "l": 48.627
  },
  "oklch": {
    "l": 0.5803,
    "c": 0.12862,
    "h": 250
  },
  "luminance": 0.19619
}

Semantic roles & 50–950 ramp

primary

#357EC3

secondary

#CCA988

accent

#9247E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #357EC3

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

Preview Lab → · Contrast checker → · Palette generator →