#388DB3#388DB3

#388DB3 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.8% C 0.099 H 230.9°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#388DB3
RGB	rgb(56, 141, 179)
HSL	hsl(199, 52%, 46%)
HSV	hsv(199, 69%, 70%)
CMYK	cmyk(68.7%, 21.2%, 0%, 29.8%)
CIE-LAB	lab(55.22, -13.15, -27.38)
CIE-LCH	lch(55.22, 30.37, 244.34°)
OKLab	oklab(60.83% -0.0623 -0.0768)
OKLCH	oklch(60.83% 0.099 230.9)
XYZ	xyz(19.2892, 23.1431, 46.0896)
Luminance	0.2314 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388DB3 #B35E38

analogous

#38B39B #388DB3 #384FB3

triadic

#388DB3 #B3388D #8DB338

tetradic

#388DB3 #9B38B3 #B35E38 #4FB338

square

#388DB3 #9B38B3 #B35E38 #4FB338

split-complementary

#388DB3 #B3384F #B39B38

monochromatic

#1B4456 #296884 #388DB3 #5CA9CC #8BC2DB

Accessibility & contrast

On white

3.73

#388DB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#388DB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388DB3

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388DB3	#FFFFFF	#000000	##000000
##388DB3	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8BB5

Deuteranopia (green-blind)

#697FB2

Tritanopia (blue-blind)

#00979A

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #388db3;
/* rgb */ color: rgb(56, 141, 179);
/* oklch */ color: oklch(60.8% 0.099 230.9);

Tailwind

colors: {
  custom: {
    50: '#7daeca',
    500: '#388db3',
    950: '#000000',
  },
}

SCSS

$custom: #388db3;
$custom-light: #7daeca;
$custom-dark: #000000;

JSON

{
  "hex": "#388db3",
  "rgb": {
    "r": 56,
    "g": 141,
    "b": 179
  },
  "hsl": {
    "h": 198.537,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60832,
    "c": 0.09887,
    "h": 230.9
  },
  "luminance": 0.23145
}

Semantic roles & 50–950 ramp

primary

#388DB3

secondary

#C59782

accent

#784CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #388DB3

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

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