#388FB5#388FB5

#388FB5 is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.4% C 0.100 H 230.4°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#388FB5
RGB	rgb(56, 143, 181)
HSL	hsl(198, 53%, 46%)
HSV	hsv(198, 69%, 71%)
CMYK	cmyk(69.1%, 21%, 0%, 29%)
CIE-LAB	lab(55.91, -13.59, -27.45)
CIE-LCH	lch(55.91, 30.63, 243.66°)
OKLab	oklab(61.41% -0.0636 -0.077)
OKLCH	oklch(61.41% 0.1 230.4)
XYZ	xyz(19.7905, 23.8197, 47.2618)
Luminance	0.2382 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388FB5 #B55E38

analogous

#38B59D #388FB5 #3851B5

triadic

#388FB5 #B5388F #8FB538

tetradic

#388FB5 #9D38B5 #B55E38 #51B538

square

#388FB5 #9D38B5 #B55E38 #51B538

split-complementary

#388FB5 #B53851 #B59D38

monochromatic

#1B4558 #2A6A86 #388FB5 #5DABCD #8CC3DB

Accessibility & contrast

On white

3.64

#388FB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#388FB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FB5

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388FB5	#FFFFFF	#000000	##000000
##388FB5	1.00	3.64	5.76	5.76
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8DB7

Deuteranopia (green-blind)

#6B81B4

Tritanopia (blue-blind)

#00999C

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #388fb5;
/* rgb */ color: rgb(56, 143, 181);
/* oklch */ color: oklch(61.4% 0.100 230.4);

Tailwind

colors: {
  custom: {
    50: '#7eafcb',
    500: '#388fb5',
    950: '#000000',
  },
}

SCSS

$custom: #388fb5;
$custom-light: #7eafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#388fb5",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 181
  },
  "hsl": {
    "h": 198.24,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61408,
    "c": 0.09987,
    "h": 230.4
  },
  "luminance": 0.23822
}

Semantic roles & 50–950 ramp

primary

#388FB5

secondary

#C69783

accent

#784CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #388FB5

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

Preview Lab → · Contrast checker → · Palette generator →