#497DCB#497DCB

#497DCB is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.1% C 0.132 H 258.3°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX#497DCB
RGBrgb(73, 125, 203)
HSLhsl(216, 56%, 54%)
HSVhsv(216, 64%, 80%)
CMYKcmyk(64%, 38.4%, 0%, 20.4%)
CIE-LABlab(52.28, 7.28, -45.63)
CIE-LCHlch(52.28, 46.21, 279.06°)
OKLaboklab(59.06% -0.0268 -0.1297)
OKLCHoklch(59.06% 0.132 258.3)
XYZxyz(20.8569, 20.3935, 59.3255)
Luminance0.2039 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#497DCB #CB9749
analogous
#49BECB #497DCB #5649CB
triadic
#497DCB #CB497D #7DCB49
tetradic
#497DCB #CB49BE #CB9749 #49CB56
square
#497DCB #CB49BE #CB9749 #49CB56
split-complementary
#497DCB #CB5649 #BECB49
monochromatic
#224477 #305FA7 #497DCB #799FD9 #A8C1E6

Accessibility & contrast

On white

4.13
#497DCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.08
#497DCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497DCB
5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##497DCB#FFFFFF#000000##000000
##497DCB1.004.135.085.08
#FFFFFF4.131.0021.0021.00
#0000005.0821.001.001.00
##0000005.0821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B83CE
Deuteranopia (green-blind)
#4877C9
Tritanopia (blue-blind)
#008F9A
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #497dcb;
/* rgb */ color: rgb(73, 125, 203);
/* oklch */ color: oklch(59.1% 0.132 258.3);
Tailwind
colors: {
  custom: {
    50: '#88a2db',
    500: '#497dcb',
    950: '#000000',
  },
}
SCSS
$custom: #497dcb;
$custom-light: #88a2db;
$custom-dark: #000000;
JSON
{
  "hex": "#497dcb",
  "rgb": {
    "r": 73,
    "g": 125,
    "b": 203
  },
  "hsl": {
    "h": 216,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.5906,
    "c": 0.13246,
    "h": 258.3
  },
  "luminance": 0.20395
}

Semantic roles & 50–950 ramp

primary
#497DCB
secondary
#D4BD9C
accent
#A349DF
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0F15
muted
#7D7E83

Preview Lab

Preview with #497DCB

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

Preview Lab → · Contrast checker → · Palette generator →

#497DCB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva