#3988C0#3988C0

#3988C0 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.3% C 0.115 H 243.0°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX#3988C0
RGBrgb(57, 136, 192)
HSLhsl(205, 54%, 49%)
HSVhsv(205, 70%, 75%)
CMYKcmyk(70.3%, 29.2%, 0%, 24.7%)
CIE-LABlab(54.32, -5.72, -36.18)
CIE-LCHlch(54.32, 36.63, 261.02°)
OKLaboklab(60.32% -0.0522 -0.1022)
OKLCHoklch(60.32% 0.115 243)
XYZxyz(20.0023, 22.2818, 53.1056)
Luminance0.2228 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3988C0 #C07139
analogous
#39C0B5 #3988C0 #3945C0
triadic
#3988C0 #C03988 #88C039
tetradic
#3988C0 #B539C0 #C07139 #45C039
square
#3988C0 #B539C0 #C07139 #45C039
split-complementary
#3988C0 #C03945 #C0B539
monochromatic
#1D4562 #2B6791 #3988C0 #65A4D1 #94C0DF

Accessibility & contrast

On white

3.85
#3988C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.46
#3988C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988C0
5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3988C0#FFFFFF#000000##000000
##3988C01.003.855.465.46
#FFFFFF3.851.0021.0021.00
#0000005.4621.001.001.00
##0000005.4621.001.001.00

Color blindness preview

Protanopia (red-blind)
#6E89C2
Deuteranopia (green-blind)
#5C7CBF
Tritanopia (blue-blind)
#00969C
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3988c0;
/* rgb */ color: rgb(57, 136, 192);
/* oklch */ color: oklch(60.3% 0.115 243.0);
Tailwind
colors: {
  custom: {
    50: '#7faad3',
    500: '#3988c0',
    950: '#000000',
  },
}
SCSS
$custom: #3988c0;
$custom-light: #7faad3;
$custom-dark: #000000;
JSON
{
  "hex": "#3988c0",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 192
  },
  "hsl": {
    "h": 204.889,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60319,
    "c": 0.11479,
    "h": 243
  },
  "luminance": 0.22284
}

Semantic roles & 50–950 ramp

primary
#3988C0
secondary
#CBA58A
accent
#874ADE
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3988C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3988C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva