#388CB1#388CB1

#388CB1 is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.5% C 0.097 H 230.5°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#388CB1
RGB	rgb(56, 140, 177)
HSL	hsl(198, 52%, 46%)
HSV	hsv(198, 68%, 69%)
CMYK	cmyk(68.4%, 20.9%, 0%, 30.6%)
CIE-LAB	lab(54.83, -13.26, -26.83)
CIE-LCH	lch(54.83, 29.93, 243.69°)
OKLab	oklab(60.5% -0.062 -0.0752)
OKLCH	oklch(60.5% 0.097 230.5)
XYZ	xyz(18.9416, 22.7692, 44.9831)
Luminance	0.2277 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388CB1 #B15D38

analogous

#38B199 #388CB1 #384FB1

triadic

#388CB1 #B1388C #8CB138

tetradic

#388CB1 #9938B1 #B15D38 #4FB138

square

#388CB1 #9938B1 #B15D38 #4FB138

split-complementary

#388CB1 #B1384F #B19938

monochromatic

#1B4254 #296783 #388CB1 #5BA9CB #8AC1DA

Accessibility & contrast

On white

3.78

#388CB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#388CB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB1

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388CB1	#FFFFFF	#000000	##000000
##388CB1	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB3

Deuteranopia (green-blind)

#697EB0

Tritanopia (blue-blind)

#009698

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #388cb1;
/* rgb */ color: rgb(56, 140, 177);
/* oklch */ color: oklch(60.5% 0.097 230.5);

Tailwind

colors: {
  custom: {
    50: '#7dadc8',
    500: '#388cb1',
    950: '#000000',
  },
}

SCSS

$custom: #388cb1;
$custom-light: #7dadc8;
$custom-dark: #000000;

JSON

{
  "hex": "#388cb1",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 177
  },
  "hsl": {
    "h": 198.347,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.60498,
    "c": 0.09746,
    "h": 230.5
  },
  "luminance": 0.22771
}

Semantic roles & 50–950 ramp

primary

#388CB1

secondary

#C49581

accent

#784CDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #388CB1

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

Preview Lab → · Contrast checker → · Palette generator →