#3888D9#3888D9

#3888D9 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.7% C 0.145 H 251.6°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#3888D9
RGB	rgb(56, 136, 217)
HSL	hsl(210, 68%, 54%)
HSV	hsv(210, 74%, 85%)
CMYK	cmyk(74.2%, 37.3%, 0%, 14.9%)
CIE-LAB	lab(55.54, 3.01, -48.40)
CIE-LCH	lch(55.54, 48.50, 273.56°)
OKLab	oklab(61.67% -0.0458 -0.1379)
OKLCH	oklch(61.67% 0.145 251.6)
XYZ	xyz(22.9547, 23.4562, 68.9499)
Luminance	0.2346 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3888D9 #D98938

analogous

#38D8D9 #3888D9 #3838D9

triadic

#3888D9 #D93888 #88D938

tetradic

#3888D9 #D938D8 #D98938 #38D938

square

#3888D9 #D938D8 #D98938 #38D938

split-complementary

#3888D9 #D93838 #D8D938

monochromatic

#184B7E #2269B2 #3888D9 #6BA7E3 #9FC5ED

Accessibility & contrast

On white

3.69

#3888D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#3888D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3888D9

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3888D9	#FFFFFF	#000000	##000000
##3888D9	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#628DDC

Deuteranopia (green-blind)

#4A7ED7

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3888d9;
/* rgb */ color: rgb(56, 136, 217);
/* oklch */ color: oklch(61.7% 0.145 251.6);

Tailwind

colors: {
  custom: {
    50: '#83aae5',
    500: '#3888d9',
    950: '#000000',
  },
}

SCSS

$custom: #3888d9;
$custom-light: #83aae5;
$custom-dark: #000000;

JSON

{
  "hex": "#3888d9",
  "rgb": {
    "r": 56,
    "g": 136,
    "b": 217
  },
  "hsl": {
    "h": 210.186,
    "s": 67.932,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61673,
    "c": 0.14532,
    "h": 251.6
  },
  "luminance": 0.23459
}

Semantic roles & 50–950 ramp

primary

#3888D9

secondary

#D9B794

accent

#943DEB

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3888D9

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

Preview Lab → · Contrast checker → · Palette generator →