#357EC4#357EC4

#357EC4 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.1% C 0.130 H 250.3°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#357EC4
RGB	rgb(53, 126, 196)
HSL	hsl(209, 57%, 49%)
HSV	hsv(209, 73%, 77%)
CMYK	cmyk(73%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(51.45, 1.04, -43.00)
CIE-LCH	lch(51.45, 43.01, 271.38°)
OKLab	oklab(58.09% -0.0438 -0.1223)
OKLCH	oklch(58.09% 0.13 250.3)
XYZ	xyz(18.8891, 19.6620, 55.0135)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357EC4 #C47B35

analogous

#35C4C3 #357EC4 #3536C4

triadic

#357EC4 #C4357E #7EC435

tetradic

#357EC4 #C335C4 #C47B35 #36C435

square

#357EC4 #C335C4 #C47B35 #36C435

split-complementary

#357EC4 #C43536 #C4C335

monochromatic

#1B4064 #285F94 #357EC4 #629CD4 #92BBE1

Accessibility & contrast

On white

4.26

#357EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#357EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357EC4

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357EC4	#FFFFFF	#000000	##000000
##357EC4	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C7

Deuteranopia (green-blind)

#4975C3

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #357ec4;
/* rgb */ color: rgb(53, 126, 196);
/* oklch */ color: oklch(58.1% 0.130 250.3);

Tailwind

colors: {
  custom: {
    50: '#7ea3d6',
    500: '#357ec4',
    950: '#000000',
  },
}

SCSS

$custom: #357ec4;
$custom-light: #7ea3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#357ec4",
  "rgb": {
    "r": 53,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 209.371,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.58087,
    "c": 0.12987,
    "h": 250.3
  },
  "luminance": 0.19664
}

Semantic roles & 50–950 ramp

primary

#357EC4

secondary

#CCAA88

accent

#9247E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #357EC4

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

Preview Lab → · Contrast checker → · Palette generator →