#388CBB#388CBB

#388CBB is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.107 H 236.9°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#388CBB
RGB	rgb(56, 140, 187)
HSL	hsl(202, 54%, 48%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(70.1%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(55.26, -9.88, -31.88)
CIE-LCH	lch(55.26, 33.37, 252.77°)
OKLab	oklab(60.98% -0.0584 -0.0897)
OKLCH	oklch(60.98% 0.107 236.9)
XYZ	xyz(19.9751, 23.1826, 50.4260)
Luminance	0.2319 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388CBB #BB6738

analogous

#38BBA9 #388CBB #384ABB

triadic

#388CBB #BB388C #8CBB38

tetradic

#388CBB #A938BB #BB6738 #4ABB38

square

#388CBB #A938BB #BB6738 #4ABB38

split-complementary

#388CBB #BB384A #BBA938

monochromatic

#1C455D #2A698C #388CBB #61A8D0 #90C2DE

Accessibility & contrast

On white

3.73

#388CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.64

#388CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CBB

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388CBB	#FFFFFF	#000000	##000000
##388CBB	1.00	3.73	5.64	5.64
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.64	21.00	1.00	1.00
##000000	5.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#768BBD

Deuteranopia (green-blind)

#647FBA

Tritanopia (blue-blind)

#00989C

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #388cbb;
/* rgb */ color: rgb(56, 140, 187);
/* oklch */ color: oklch(61.0% 0.107 236.9);

Tailwind

colors: {
  custom: {
    50: '#7eadcf',
    500: '#388cbb',
    950: '#000000',
  },
}

SCSS

$custom: #388cbb;
$custom-light: #7eadcf;
$custom-dark: #000000;

JSON

{
  "hex": "#388cbb",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 201.527,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.60977,
    "c": 0.10708,
    "h": 236.9
  },
  "luminance": 0.23185
}

Semantic roles & 50–950 ramp

primary

#388CBB

secondary

#C89E86

accent

#7F4BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #388CBB

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

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