#388BBB#388BBB

#388BBB is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.7% C 0.108 H 237.8°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#388BBB
RGB	rgb(56, 139, 187)
HSL	hsl(202, 54%, 48%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(70.1%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(54.96, -9.32, -32.34)
CIE-LCH	lch(54.96, 33.66, 253.93°)
OKLab	oklab(60.74% -0.0574 -0.0911)
OKLCH	oklch(60.74% 0.108 237.8)
XYZ	xyz(19.8296, 22.8917, 50.3775)
Luminance	0.2289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388BBB #BB6838

analogous

#38BBA9 #388BBB #3849BB

triadic

#388BBB #BB388B #8BBB38

tetradic

#388BBB #A938BB #BB6838 #49BB38

square

#388BBB #A938BB #BB6838 #49BB38

split-complementary

#388BBB #BB3849 #BBA938

monochromatic

#1C455D #2A688C #388BBB #61A7D0 #90C1DE

Accessibility & contrast

On white

3.76

#388BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#388BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388BBB

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388BBB	#FFFFFF	#000000	##000000
##388BBB	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748BBD

Deuteranopia (green-blind)

#627EBA

Tritanopia (blue-blind)

#00979B

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #388bbb;
/* rgb */ color: rgb(56, 139, 187);
/* oklch */ color: oklch(60.7% 0.108 237.8);

Tailwind

colors: {
  custom: {
    50: '#7eaccf',
    500: '#388bbb',
    950: '#000000',
  },
}

SCSS

$custom: #388bbb;
$custom-light: #7eaccf;
$custom-dark: #000000;

JSON

{
  "hex": "#388bbb",
  "rgb": {
    "r": 56,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 201.985,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.6074,
    "c": 0.10768,
    "h": 237.8
  },
  "luminance": 0.22894
}

Semantic roles & 50–950 ramp

primary

#388BBB

secondary

#C89F86

accent

#804BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #388BBB

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

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