#357BBC#357BBC

#357BBC is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 56.9% C 0.123 H 249.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#357BBC
RGB	rgb(53, 123, 188)
HSL	hsl(209, 56%, 47%)
HSV	hsv(209, 72%, 74%)
CMYK	cmyk(71.8%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(50.16, -0.04, -40.46)
CIE-LCH	lch(50.16, 40.46, 269.94°)
OKLab	oklab(56.94% -0.0431 -0.1149)
OKLCH	oklch(56.94% 0.123 249.4)
XYZ	xyz(17.6248, 18.5517, 50.2192)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#357BBC #BC7635

analogous

#35BCBA #357BBC #3537BC

triadic

#357BBC #BC357B #7BBC35

tetradic

#357BBC #BA35BC #BC7635 #37BC35

square

#357BBC #BA35BC #BC7635 #37BC35

split-complementary

#357BBC #BC3537 #BCBA35

monochromatic

#1A3D5D #285C8C #357BBC #5D99D1 #8DB7DF

Accessibility & contrast

On white

4.46

#357BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#357BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #357BBC

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##357BBC	#FFFFFF	#000000	##000000
##357BBC	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E7EBF

Deuteranopia (green-blind)

#4A72BB

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #357bbc;
/* rgb */ color: rgb(53, 123, 188);
/* oklch */ color: oklch(56.9% 0.123 249.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#357bbc",
  "rgb": {
    "r": 53,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 208.889,
    "s": 56.017,
    "l": 47.255
  },
  "oklch": {
    "l": 0.56937,
    "c": 0.1227,
    "h": 249.4
  },
  "luminance": 0.18554
}

Semantic roles & 50–950 ramp

primary

#357BBC

secondary

#C9A584

accent

#9148DF

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #357BBC

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

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