#398DC3#398DC3

#398DC3 is a mid, moderate cyan. Relative luminance 0.239; OKLCH L 61.6% C 0.115 H 240.6°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX#398DC3
RGBrgb(57, 141, 195)
HSLhsl(203, 55%, 49%)
HSVhsv(203, 71%, 76%)
CMYKcmyk(70.8%, 27.7%, 0%, 23.5%)
CIE-LABlab(55.94, -7.55, -35.35)
CIE-LCHlch(55.94, 36.15, 257.94°)
OKLaboklab(61.65% -0.0562 -0.0998)
OKLCHoklch(61.65% 0.115 240.6)
XYZxyz(21.0587, 23.8574, 55.1143)
Luminance0.2386 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398DC3 #C36F39
analogous
#39C3B4 #398DC3 #3948C3
triadic
#398DC3 #C3398D #8DC339
tetradic
#398DC3 #B439C3 #C36F39 #48C339
square
#398DC3 #B439C3 #C36F39 #48C339
split-complementary
#398DC3 #C33948 #C3B439
monochromatic
#1D4964 #2B6B94 #398DC3 #67A8D2 #96C3E0

Accessibility & contrast

On white

3.64
#398DC3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.77
#398DC3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DC3
5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398DC3#FFFFFF#000000##000000
##398DC31.003.645.775.77
#FFFFFF3.641.0021.0021.00
#0000005.7721.001.001.00
##0000005.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#748DC5
Deuteranopia (green-blind)
#6180C2
Tritanopia (blue-blind)
#009AA0
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #398dc3;
/* rgb */ color: rgb(57, 141, 195);
/* oklch */ color: oklch(61.6% 0.115 240.6);
Tailwind
colors: {
  custom: {
    50: '#80aed5',
    500: '#398dc3',
    950: '#000000',
  },
}
SCSS
$custom: #398dc3;
$custom-light: #80aed5;
$custom-dark: #000000;
JSON
{
  "hex": "#398dc3",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 195
  },
  "hsl": {
    "h": 203.478,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.61647,
    "c": 0.11451,
    "h": 240.6
  },
  "luminance": 0.2386
}

Semantic roles & 50–950 ramp

primary
#398DC3
secondary
#CCA58C
accent
#844ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #398DC3

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

Preview Lab → · Contrast checker → · Palette generator →

#398DC3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva