#398DB8#398DB8

#398DB8 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.1% C 0.103 H 234.5°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX#398DB8
RGBrgb(57, 141, 184)
HSLhsl(200, 53%, 47%)
HSVhsv(200, 69%, 72%)
CMYKcmyk(69%, 23.4%, 0%, 27.8%)
CIE-LABlab(55.46, -11.31, -29.85)
CIE-LCHlch(55.46, 31.93, 249.24°)
OKLaboklab(61.1% -0.0599 -0.0839)
OKLCHoklch(61.1% 0.103 234.5)
XYZxyz(19.8605, 23.3781, 48.8038)
Luminance0.2338 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398DB8 #B86439
analogous
#39B8A4 #398DB8 #394EB8
triadic
#398DB8 #B8398D #8DB839
tetradic
#398DB8 #A439B8 #B86439 #4EB839
square
#398DB8 #A439B8 #B86439 #4EB839
split-complementary
#398DB8 #B8394E #B8A439
monochromatic
#1C455B #2B6989 #398DB8 #60A9CE #8FC2DC

Accessibility & contrast

On white

3.70
#398DB8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.68
#398DB8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398DB8
5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398DB8#FFFFFF#000000##000000
##398DB81.003.705.685.68
#FFFFFF3.701.0021.0021.00
#0000005.6821.001.001.00
##0000005.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#788CBA
Deuteranopia (green-blind)
#677FB7
Tritanopia (blue-blind)
#00989B
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #398db8;
/* rgb */ color: rgb(57, 141, 184);
/* oklch */ color: oklch(61.1% 0.103 234.5);
Tailwind
colors: {
  custom: {
    50: '#7eaecd',
    500: '#398db8',
    950: '#000000',
  },
}
SCSS
$custom: #398db8;
$custom-light: #7eaecd;
$custom-dark: #000000;
JSON
{
  "hex": "#398db8",
  "rgb": {
    "r": 57,
    "g": 141,
    "b": 184
  },
  "hsl": {
    "h": 200.315,
    "s": 52.697,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61102,
    "c": 0.10308,
    "h": 234.5
  },
  "luminance": 0.2338
}

Semantic roles & 50–950 ramp

primary
#398DB8
secondary
#C79C86
accent
#7D4CDC
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1013
muted
#7C7F82

Preview Lab

Preview with #398DB8

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

Preview Lab → · Contrast checker → · Palette generator →

#398DB8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva