#357DC4#357DC4

#357DC4 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.9% C 0.131 H 250.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#357DC4
RGB	rgb(53, 125, 196)
HSL	hsl(210, 57%, 49%)
HSV	hsv(210, 73%, 77%)
CMYK	cmyk(73%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(51.16, 1.64, -43.46)
CIE-LCH	lch(51.16, 43.49, 272.16°)
OKLab	oklab(57.86% -0.0428 -0.1236)
OKLCH	oklch(57.86% 0.131 250.9)
XYZ	xyz(18.7619, 19.4075, 54.9711)
Luminance	0.1941 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357DC4 #C47C35

analogous

#35C4C4 #357DC4 #3536C4

triadic

#357DC4 #C4357D #7DC435

tetradic

#357DC4 #C435C4 #C47C35 #36C435

square

#357DC4 #C435C4 #C47C35 #36C435

split-complementary

#357DC4 #C43536 #C4C435

monochromatic

#1B4064 #285E94 #357DC4 #629CD4 #92BAE1

Accessibility & contrast

On white

4.30

#357DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#357DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357DC4

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357DC4	#FFFFFF	#000000	##000000
##357DC4	1.00	4.30	4.88	4.88
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C81C7

Deuteranopia (green-blind)

#4774C3

Tritanopia (blue-blind)

#008E97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357dc4;
/* rgb */ color: rgb(53, 125, 196);
/* oklch */ color: oklch(57.9% 0.131 250.9);

Tailwind

colors: {
  custom: {
    50: '#7ea2d6',
    500: '#357dc4',
    950: '#000000',
  },
}

SCSS

$custom: #357dc4;
$custom-light: #7ea2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#357dc4",
  "rgb": {
    "r": 53,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 209.79,
    "s": 57.43,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57858,
    "c": 0.13085,
    "h": 250.9
  },
  "luminance": 0.1941
}

Semantic roles & 50–950 ramp

primary

#357DC4

secondary

#CCAA88

accent

#9347E1

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #357DC4

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

Preview Lab → · Contrast checker → · Palette generator →