#388FBB#388FBB

#388FBB is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.7% C 0.105 H 234.3°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#388FBB
RGB	rgb(56, 143, 187)
HSL	hsl(200, 54%, 48%)
HSV	hsv(200, 70%, 73%)
CMYK	cmyk(70.1%, 23.5%, 0%, 26.7%)
CIE-LAB	lab(56.16, -11.57, -30.48)
CIE-LCH	lch(56.16, 32.60, 249.21°)
OKLab	oklab(61.69% -0.0615 -0.0857)
OKLCH	oklch(61.69% 0.105 234.3)
XYZ	xyz(20.4194, 24.0713, 50.5741)
Luminance	0.2407 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388FBB #BB6438

analogous

#38BBA6 #388FBB #384DBB

triadic

#388FBB #BB388F #8FBB38

tetradic

#388FBB #A638BB #BB6438 #4DBB38

square

#388FBB #A638BB #BB6438 #4DBB38

split-complementary

#388FBB #BB384D #BBA638

monochromatic

#1C475D #2A6B8C #388FBB #61AAD0 #90C3DE

Accessibility & contrast

On white

3.61

#388FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#388FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388FBB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388FBB	#FFFFFF	#000000	##000000
##388FBB	1.00	3.61	5.81	5.81
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8EBD

Deuteranopia (green-blind)

#6881BA

Tritanopia (blue-blind)

#009B9E

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #388fbb;
/* rgb */ color: rgb(56, 143, 187);
/* oklch */ color: oklch(61.7% 0.105 234.3);

Tailwind

colors: {
  custom: {
    50: '#7eafcf',
    500: '#388fbb',
    950: '#000000',
  },
}

SCSS

$custom: #388fbb;
$custom-light: #7eafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#388fbb",
  "rgb": {
    "r": 56,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 200.153,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.61692,
    "c": 0.10545,
    "h": 234.3
  },
  "luminance": 0.24074
}

Semantic roles & 50–950 ramp

primary

#388FBB

secondary

#C89D86

accent

#7C4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #388FBB

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

Preview Lab → · Contrast checker → · Palette generator →