#388EB5#388EB5

#388EB5 is a mid, moderate cyan. Relative luminance 0.235; OKLCH L 61.2% C 0.100 H 231.4°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#388EB5
RGB	rgb(56, 142, 181)
HSL	hsl(199, 53%, 46%)
HSV	hsv(199, 69%, 71%)
CMYK	cmyk(69.1%, 21.5%, 0%, 29%)
CIE-LAB	lab(55.60, -13.04, -27.92)
CIE-LCH	lch(55.60, 30.81, 244.97°)
OKLab	oklab(61.17% -0.0626 -0.0783)
OKLCH	oklch(61.17% 0.1 231.4)
XYZ	xyz(19.6411, 23.5208, 47.2119)
Luminance	0.2352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388EB5 #B55F38

analogous

#38B59E #388EB5 #3850B5

triadic

#388EB5 #B5388E #8EB538

tetradic

#388EB5 #9E38B5 #B55F38 #50B538

square

#388EB5 #9E38B5 #B55F38 #50B538

split-complementary

#388EB5 #B53850 #B59E38

monochromatic

#1B4558 #2A6986 #388EB5 #5DAACD #8CC3DB

Accessibility & contrast

On white

3.68

#388EB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#388EB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388EB5

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388EB5	#FFFFFF	#000000	##000000
##388EB5	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A8CB7

Deuteranopia (green-blind)

#6980B4

Tritanopia (blue-blind)

#00999B

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #388eb5;
/* rgb */ color: rgb(56, 142, 181);
/* oklch */ color: oklch(61.2% 0.100 231.4);

Tailwind

colors: {
  custom: {
    50: '#7eafcb',
    500: '#388eb5',
    950: '#000000',
  },
}

SCSS

$custom: #388eb5;
$custom-light: #7eafcb;
$custom-dark: #000000;

JSON

{
  "hex": "#388eb5",
  "rgb": {
    "r": 56,
    "g": 142,
    "b": 181
  },
  "hsl": {
    "h": 198.72,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.61167,
    "c": 0.10027,
    "h": 231.4
  },
  "luminance": 0.23523
}

Semantic roles & 50–950 ramp

primary

#388EB5

secondary

#C69883

accent

#794CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #388EB5

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

Preview Lab → · Contrast checker → · Palette generator →