#398BBF#398BBF

#398BBF is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 61.0% C 0.112 H 240.1°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX#398BBF
RGBrgb(57, 139, 191)
HSLhsl(203, 54%, 49%)
HSVhsv(203, 70%, 75%)
CMYKcmyk(70.2%, 27.2%, 0%, 25.1%)
CIE-LABlab(55.17, -7.79, -34.29)
CIE-LCHlch(55.17, 35.16, 257.20°)
OKLaboklab(60.97% -0.0555 -0.0967)
OKLCHoklch(60.97% 0.112 240.1)
XYZxyz(20.3203, 23.0944, 52.6669)
Luminance0.2310 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#398BBF #BF6D39
analogous
#39BFB0 #398BBF #3948BF
triadic
#398BBF #BF398B #8BBF39
tetradic
#398BBF #B039BF #BF6D39 #48BF39
square
#398BBF #B039BF #BF6D39 #48BF39
split-complementary
#398BBF #BF3948 #BFB039
monochromatic
#1D4661 #2B6990 #398BBF #64A7D1 #93C2DF

Accessibility & contrast

On white

3.74
#398BBF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.62
#398BBF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #398BBF
5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##398BBF#FFFFFF#000000##000000
##398BBF1.003.745.625.62
#FFFFFF3.741.0021.0021.00
#0000005.6221.001.001.00
##0000005.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#738BC1
Deuteranopia (green-blind)
#617EBE
Tritanopia (blue-blind)
#00989D
Achromatopsia (no color)
#848484

Design tokens & code

CSS
--color: #398bbf;
/* rgb */ color: rgb(57, 139, 191);
/* oklch */ color: oklch(61.0% 0.112 240.1);
Tailwind
colors: {
  custom: {
    50: '#7facd2',
    500: '#398bbf',
    950: '#000000',
  },
}
SCSS
$custom: #398bbf;
$custom-light: #7facd2;
$custom-dark: #000000;
JSON
{
  "hex": "#398bbf",
  "rgb": {
    "r": 57,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 203.284,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60973,
    "c": 0.11151,
    "h": 240.1
  },
  "luminance": 0.23097
}

Semantic roles & 50–950 ramp

primary
#398BBF
secondary
#CAA38A
accent
#834ADD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #398BBF

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

Preview Lab → · Contrast checker → · Palette generator →

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