#398EB9#398EB9

#398EB9 is a mid, moderate cyan. Relative luminance 0.237; OKLCH L 61.4% C 0.104 H 234.2°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX#398EB9
RGBrgb(57, 142, 185)
HSLhsl(200, 53%, 47%)
HSVhsv(200, 69%, 73%)
CMYKcmyk(69.2%, 23.2%, 0%, 27.5%)
CIE-LABlab(55.80, -11.54, -29.89)
CIE-LCHlch(55.80, 32.04, 248.90°)
OKLaboklab(61.39% -0.0606 -0.084)
OKLCHoklch(61.39% 0.104 234.2)
XYZxyz(20.1139, 23.7164, 49.4072)
Luminance0.2372 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398EB9 #B96439
analogous
#39B9A4 #398EB9 #394EB9
triadic
#398EB9 #B9398E #8EB939
tetradic
#398EB9 #A439B9 #B96439 #4EB939
square
#398EB9 #A439B9 #B96439 #4EB939
split-complementary
#398EB9 #B9394E #B9A439
monochromatic
#1C465B #2B6A8A #398EB9 #61AACE #90C3DD

Accessibility & contrast

On white

3.66
#398EB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.74
#398EB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398EB9
5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398EB9#FFFFFF#000000##000000
##398EB91.003.665.745.74
#FFFFFF3.661.0021.0021.00
#0000005.7421.001.001.00
##0000005.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#798DBB
Deuteranopia (green-blind)
#6880B8
Tritanopia (blue-blind)
#00999C
Achromatopsia (no color)
#868686

Design tokens & code

CSS
--color: #398eb9;
/* rgb */ color: rgb(57, 142, 185);
/* oklch */ color: oklch(61.4% 0.104 234.2);
Tailwind
colors: {
  custom: {
    50: '#7fafce',
    500: '#398eb9',
    950: '#000000',
  },
}
SCSS
$custom: #398eb9;
$custom-light: #7fafce;
$custom-dark: #000000;
JSON
{
  "hex": "#398eb9",
  "rgb": {
    "r": 57,
    "g": 142,
    "b": 185
  },
  "hsl": {
    "h": 200.156,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.61389,
    "c": 0.10355,
    "h": 234.2
  },
  "luminance": 0.23719
}

Semantic roles & 50–950 ramp

primary
#398EB9
secondary
#C89C86
accent
#7C4BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #398EB9

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

Preview Lab → · Contrast checker → · Palette generator →

#398EB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva