#398CB9#398CB9

#398CB9 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.9% C 0.105 H 236.0°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX#398CB9
RGBrgb(57, 140, 185)
HSLhsl(201, 53%, 47%)
HSVhsv(201, 69%, 73%)
CMYKcmyk(69.2%, 24.3%, 0%, 27.5%)
CIE-LABlab(55.20, -10.41, -30.82)
CIE-LCHlch(55.20, 32.53, 251.33°)
OKLaboklab(60.91% -0.0586 -0.0867)
OKLCHoklch(60.91% 0.105 236)
XYZxyz(19.8190, 23.1266, 49.3089)
Luminance0.2313 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398CB9 #B96639
analogous
#39B9A6 #398CB9 #394CB9
triadic
#398CB9 #B9398C #8CB939
tetradic
#398CB9 #A639B9 #B96639 #4CB939
square
#398CB9 #A639B9 #B96639 #4CB939
split-complementary
#398CB9 #B9394C #B9A639
monochromatic
#1C455B #2B698A #398CB9 #61A8CE #90C2DD

Accessibility & contrast

On white

3.73
#398CB9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.63
#398CB9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398CB9
5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398CB9#FFFFFF#000000##000000
##398CB91.003.735.635.63
#FFFFFF3.731.0021.0021.00
#0000005.6321.001.001.00
##0000005.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#778BBB
Deuteranopia (green-blind)
#657FB8
Tritanopia (blue-blind)
#00989B
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #398cb9;
/* rgb */ color: rgb(57, 140, 185);
/* oklch */ color: oklch(60.9% 0.105 236.0);
Tailwind
colors: {
  custom: {
    50: '#7eadce',
    500: '#398cb9',
    950: '#000000',
  },
}
SCSS
$custom: #398cb9;
$custom-light: #7eadce;
$custom-dark: #000000;
JSON
{
  "hex": "#398cb9",
  "rgb": {
    "r": 57,
    "g": 140,
    "b": 185
  },
  "hsl": {
    "h": 201.094,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.60911,
    "c": 0.10461,
    "h": 236
  },
  "luminance": 0.23129
}

Semantic roles & 50–950 ramp

primary
#398CB9
secondary
#C89D86
accent
#7E4BDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #398CB9

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

Preview Lab → · Contrast checker → · Palette generator →

#398CB9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva