#397DBD#397DBD

#397DBD is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.6% C 0.121 H 249.5°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX#397DBD
RGBrgb(57, 125, 189)
HSLhsl(209, 54%, 48%)
HSVhsv(209, 70%, 74%)
CMYKcmyk(69.8%, 33.9%, 0%, 25.9%)
CIE-LABlab(50.93, -0.29, -39.80)
CIE-LCHlch(50.93, 39.81, 269.58°)
OKLaboklab(57.6% -0.0422 -0.1129)
OKLCHoklch(57.6% 0.121 249.5)
XYZxyz(18.2028, 19.2093, 50.8827)
Luminance0.1921 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#397DBD #BD7939
analogous
#39BDBB #397DBD #393BBD
triadic
#397DBD #BD397D #7DBD39
tetradic
#397DBD #BB39BD #BD7939 #3BBD39
square
#397DBD #BB39BD #BD7939 #3BBD39
split-complementary
#397DBD #BD393B #BDBB39
monochromatic
#1D3F5F #2B5E8E #397DBD #639BD0 #92B9DE

Accessibility & contrast

On white

4.34
#397DBD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.84
#397DBD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DBD
4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##397DBD#FFFFFF#000000##000000
##397DBD1.004.344.844.84
#FFFFFF4.341.0021.0021.00
#0000004.8421.001.001.00
##0000004.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6080C0
Deuteranopia (green-blind)
#4E74BC
Tritanopia (blue-blind)
#008C94
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #397dbd;
/* rgb */ color: rgb(57, 125, 189);
/* oklch */ color: oklch(57.6% 0.121 249.5);
Tailwind
colors: {
  custom: {
    50: '#7fa2d1',
    500: '#397dbd',
    950: '#000000',
  },
}
SCSS
$custom: #397dbd;
$custom-light: #7fa2d1;
$custom-dark: #000000;
JSON
{
  "hex": "#397dbd",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 189
  },
  "hsl": {
    "h": 209.091,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.57597,
    "c": 0.12053,
    "h": 249.5
  },
  "luminance": 0.19211
}

Semantic roles & 50–950 ramp

primary
#397DBD
secondary
#C9A889
accent
#924BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0F14
muted
#7C7E82

Preview Lab

Preview with #397DBD

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

Preview Lab → · Contrast checker → · Palette generator →

#397DBD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva