#357ABC#357ABC

#357ABC is a mid, vivid cyan. Relative luminance 0.183; OKLCH L 56.7% C 0.124 H 250.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#357ABC
RGB	rgb(53, 122, 188)
HSL	hsl(209, 56%, 47%)
HSV	hsv(209, 72%, 74%)
CMYK	cmyk(71.8%, 35.1%, 0%, 26.3%)
CIE-LAB	lab(49.86, 0.56, -40.92)
CIE-LCH	lch(49.86, 40.93, 270.78°)
OKLab	oklab(56.71% -0.0421 -0.1163)
OKLCH	oklch(56.71% 0.124 250.1)
XYZ	xyz(17.5014, 18.3049, 50.1780)
Luminance	0.1831 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357ABC #BC7735

analogous

#35BCBB #357ABC #3537BC

triadic

#357ABC #BC357A #7ABC35

tetradic

#357ABC #BB35BC #BC7735 #37BC35

square

#357ABC #BB35BC #BC7735 #37BC35

split-complementary

#357ABC #BC3537 #BCBB35

monochromatic

#1A3C5D #285B8C #357ABC #5D98D1 #8DB7DF

Accessibility & contrast

On white

4.51

#357ABC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#357ABC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357ABC

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357ABC	#FFFFFF	#000000	##000000
##357ABC	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C7EBF

Deuteranopia (green-blind)

#4971BB

Tritanopia (blue-blind)

#008A92

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357abc;
/* rgb */ color: rgb(53, 122, 188);
/* oklch */ color: oklch(56.7% 0.124 250.1);

Tailwind

colors: {
  custom: {
    50: '#7da0d0',
    500: '#357abc',
    950: '#000000',
  },
}

SCSS

$custom: #357abc;
$custom-light: #7da0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#357abc",
  "rgb": {
    "r": 53,
    "g": 122,
    "b": 188
  },
  "hsl": {
    "h": 209.333,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56705,
    "c": 0.12366,
    "h": 250.1
  },
  "luminance": 0.18307
}

Semantic roles & 50–950 ramp

primary

#357ABC

secondary

#C9A684

accent

#9248DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357ABC

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

Preview Lab → · Contrast checker → · Palette generator →