#357CCC#357CCC

#357CCC is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.142 H 253.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#357CCC
RGB	rgb(53, 124, 204)
HSL	hsl(212, 60%, 50%)
HSV	hsv(212, 74%, 80%)
CMYK	cmyk(74%, 39.2%, 0%, 20%)
CIE-LAB	lab(51.30, 5.16, -47.80)
CIE-LCH	lch(51.30, 48.08, 276.16°)
OKLab	oklab(58.11% -0.0399 -0.1364)
OKLCH	oklch(58.11% 0.142 253.7)
XYZ	xyz(19.5709, 19.5296, 59.8532)
Luminance	0.1953 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CCC #CC8535

analogous

#35C8CC #357CCC #3935CC

triadic

#357CCC #CC357C #7CCC35

tetradic

#357CCC #CC35C8 #CC8535 #35CC39

square

#357CCC #CC35C8 #CC8535 #35CC39

split-complementary

#357CCC #CC3935 #C8CC35

monochromatic

#1B416B #275E9C #357CCC #669CD8 #97BBE5

Accessibility & contrast

On white

4.28

#357CCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#357CCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CCC

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CCC	#FFFFFF	#000000	##000000
##357CCC	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5682CF

Deuteranopia (green-blind)

#3E74CA

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #357ccc;
/* rgb */ color: rgb(53, 124, 204);
/* oklch */ color: oklch(58.1% 0.142 253.7);

Tailwind

colors: {
  custom: {
    50: '#80a1dc',
    500: '#357ccc',
    950: '#000000',
  },
}

SCSS

$custom: #357ccc;
$custom-light: #80a1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#357ccc",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 204
  },
  "hsl": {
    "h": 211.788,
    "s": 59.684,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58108,
    "c": 0.1421,
    "h": 253.7
  },
  "luminance": 0.19532
}

Semantic roles & 50–950 ramp

primary

#357CCC

secondary

#D0B08D

accent

#9945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #357CCC

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

Preview Lab → · Contrast checker → · Palette generator →