#398ACE#398ACE

#398ACE is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.5% C 0.130 H 247.3°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX#398ACE
RGBrgb(57, 138, 206)
HSLhsl(207, 60%, 52%)
HSVhsv(207, 72%, 81%)
CMYKcmyk(72.3%, 33%, 0%, 19.2%)
CIE-LABlab(55.58, -1.97, -42.14)
CIE-LCHlch(55.58, 42.18, 267.33°)
OKLaboklab(61.53% -0.05 -0.1195)
OKLCHoklch(61.53% 0.13 247.3)
XYZxyz(21.9122, 23.5006, 61.7618)
Luminance0.2350 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398ACE #CE7D39
analogous
#39CEC8 #398ACE #3940CE
triadic
#398ACE #CE398A #8ACE39
tetradic
#398ACE #C839CE #CE7D39 #40CE39
square
#398ACE #C839CE #CE7D39 #40CE39
split-complementary
#398ACE #CE3940 #CEC839
monochromatic
#1C4A71 #286AA2 #398ACE #6AA7DA #9BC4E6

Accessibility & contrast

On white

3.68
#398ACE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.70
#398ACE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398ACE
5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398ACE#FFFFFF#000000##000000
##398ACE1.003.685.705.70
#FFFFFF3.681.0021.0021.00
#0000005.7021.001.001.00
##0000005.7021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B8DD1
Deuteranopia (green-blind)
#567FCD
Tritanopia (blue-blind)
#009AA2
Achromatopsia (no color)
#858585

Design tokens & code

CSS
--color: #398ace;
/* rgb */ color: rgb(57, 138, 206);
/* oklch */ color: oklch(61.5% 0.130 247.3);
Tailwind
colors: {
  custom: {
    50: '#82abdd',
    500: '#398ace',
    950: '#000000',
  },
}
SCSS
$custom: #398ace;
$custom-light: #82abdd;
$custom-dark: #000000;
JSON
{
  "hex": "#398ace",
  "rgb": {
    "r": 57,
    "g": 138,
    "b": 206
  },
  "hsl": {
    "h": 207.383,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.61533,
    "c": 0.12957,
    "h": 247.3
  },
  "luminance": 0.23503
}

Semantic roles & 50–950 ramp

primary
#398ACE
secondary
#D2AF91
accent
#8D44E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #398ACE

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

Preview Lab → · Contrast checker → · Palette generator →

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