#388CBF#388CBF

#388CBF is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.2% C 0.111 H 239.1°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#388CBF
RGB	rgb(56, 140, 191)
HSL	hsl(203, 55%, 48%)
HSV	hsv(203, 71%, 75%)
CMYK	cmyk(70.7%, 26.7%, 0%, 25.1%)
CIE-LAB	lab(55.44, -8.51, -33.87)
CIE-LCH	lch(55.44, 34.93, 255.90°)
OKLab	oklab(61.18% -0.0571 -0.0955)
OKLCH	oklch(61.18% 0.111 239.1)
XYZ	xyz(20.4093, 23.3562, 52.7127)
Luminance	0.2336 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388CBF #BF6B38

analogous

#38BFAE #388CBF #3848BF

triadic

#388CBF #BF388C #8CBF38

tetradic

#388CBF #AE38BF #BF6B38 #48BF38

square

#388CBF #AE38BF #BF6B38 #48BF38

split-complementary

#388CBF #BF3848 #BFAE38

monochromatic

#1C4760 #2A6990 #388CBF #63A8D1 #92C2DF

Accessibility & contrast

On white

3.70

#388CBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#388CBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CBF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388CBF	#FFFFFF	#000000	##000000
##388CBF	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#748CC1

Deuteranopia (green-blind)

#627FBE

Tritanopia (blue-blind)

#00999E

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #388cbf;
/* rgb */ color: rgb(56, 140, 191);
/* oklch */ color: oklch(61.2% 0.111 239.1);

Tailwind

colors: {
  custom: {
    50: '#7fadd2',
    500: '#388cbf',
    950: '#000000',
  },
}

SCSS

$custom: #388cbf;
$custom-light: #7fadd2;
$custom-dark: #000000;

JSON

{
  "hex": "#388cbf",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 191
  },
  "hsl": {
    "h": 202.667,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.61177,
    "c": 0.11128,
    "h": 239.1
  },
  "luminance": 0.23359
}

Semantic roles & 50–950 ramp

primary

#388CBF

secondary

#CAA189

accent

#824ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #388CBF

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

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