#357CD0#357CD0

#357CD0 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.4% C 0.147 H 254.6°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#357CD0
RGB	rgb(53, 124, 208)
HSL	hsl(213, 62%, 51%)
HSV	hsv(213, 75%, 82%)
CMYK	cmyk(74.5%, 40.4%, 0%, 18.4%)
CIE-LAB	lab(51.52, 6.63, -49.72)
CIE-LCH	lch(51.52, 50.16, 277.59°)
OKLab	oklab(58.35% -0.039 -0.142)
OKLCH	oklch(58.35% 0.147 254.6)
XYZ	xyz(20.0568, 19.7240, 62.4123)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357CD0 #D08935

analogous

#35C9D0 #357CD0 #3B35D0

triadic

#357CD0 #D0357C #7CD035

tetradic

#357CD0 #D035C9 #D08935 #35D03B

square

#357CD0 #D035C9 #D08935 #35D03B

split-complementary

#357CD0 #D03B35 #C9D035

monochromatic

#1A4270 #265FA2 #357CD0 #679CDC #98BCE7

Accessibility & contrast

On white

4.25

#357CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#357CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357CD0

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357CD0	#FFFFFF	#000000	##000000
##357CD0	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5483D3

Deuteranopia (green-blind)

#3A74CE

Tritanopia (blue-blind)

#00909C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #357cd0;
/* rgb */ color: rgb(53, 124, 208);
/* oklch */ color: oklch(58.4% 0.147 254.6);

Tailwind

colors: {
  custom: {
    50: '#81a1df',
    500: '#357cd0',
    950: '#000000',
  },
}

SCSS

$custom: #357cd0;
$custom-light: #81a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#357cd0",
  "rgb": {
    "r": 53,
    "g": 124,
    "b": 208
  },
  "hsl": {
    "h": 212.516,
    "s": 62.249,
    "l": 51.176
  },
  "oklch": {
    "l": 0.58354,
    "c": 0.14726,
    "h": 254.6
  },
  "luminance": 0.19726
}

Semantic roles & 50–950 ramp

primary

#357CD0

secondary

#D3B38E

accent

#9B42E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #357CD0

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

Preview Lab → · Contrast checker → · Palette generator →