#497FCB#497FCB

#497FCB is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.5% C 0.130 H 257.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX#497FCB
RGBrgb(73, 127, 203)
HSLhsl(215, 56%, 54%)
HSVhsv(215, 64%, 80%)
CMYKcmyk(64%, 37.4%, 0%, 20.4%)
CIE-LABlab(52.85, 6.06, -44.73)
CIE-LCHlch(52.85, 45.14, 277.72°)
OKLaboklab(59.5% -0.0288 -0.1271)
OKLCHoklch(59.5% 0.13 257.2)
XYZxyz(21.1127, 20.9050, 59.4108)
Luminance0.2091 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#497FCB #CB9549
analogous
#49C0CB #497FCB #5449CB
triadic
#497FCB #CB497F #7FCB49
tetradic
#497FCB #CB49C0 #CB9549 #49CB54
square
#497FCB #CB49C0 #CB9549 #49CB54
split-complementary
#497FCB #CB5449 #C0CB49
monochromatic
#224677 #3061A7 #497FCB #79A0D9 #A8C2E6

Accessibility & contrast

On white

4.05
#497FCB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.18
#497FCB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497FCB
5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##497FCB#FFFFFF#000000##000000
##497FCB1.004.055.185.18
#FFFFFF4.051.0021.0021.00
#0000005.1821.001.001.00
##0000005.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5E85CE
Deuteranopia (green-blind)
#4B79C9
Tritanopia (blue-blind)
#00909B
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #497fcb;
/* rgb */ color: rgb(73, 127, 203);
/* oklch */ color: oklch(59.5% 0.130 257.2);
Tailwind
colors: {
  custom: {
    50: '#88a3db',
    500: '#497fcb',
    950: '#000000',
  },
}
SCSS
$custom: #497fcb;
$custom-light: #88a3db;
$custom-dark: #000000;
JSON
{
  "hex": "#497fcb",
  "rgb": {
    "r": 73,
    "g": 127,
    "b": 203
  },
  "hsl": {
    "h": 215.077,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.595,
    "c": 0.13029,
    "h": 257.2
  },
  "luminance": 0.20907
}

Semantic roles & 50–950 ramp

primary
#497FCB
secondary
#D4BD9C
accent
#A149DF
background
#F8FAFD
surface
#F0F3FB
border
#CBCDD4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #497FCB

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

Preview Lab → · Contrast checker → · Palette generator →

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