#497BDB#497BDB

#497BDB is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.6% C 0.156 H 262.1°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#497BDB
RGB	rgb(73, 123, 219)
HSL	hsl(219, 67%, 57%)
HSV	hsv(219, 67%, 86%)
CMYK	cmyk(66.7%, 43.8%, 0%, 14.1%)
CIE-LAB	lab(52.61, 14.07, -54.16)
CIE-LCH	lch(52.61, 55.95, 284.56°)
OKLab	oklab(59.61% -0.0216 -0.1548)
OKLCH	oklch(59.61% 0.156 262.1)
XYZ	xyz(22.6123, 20.6946, 69.8069)
Luminance	0.2070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497BDB #DBA949

analogous

#49C4DB #497BDB #6049DB

triadic

#497BDB #DB497B #7BDB49

tetradic

#497BDB #DB49C4 #DBA949 #49DB60

square

#497BDB #DB49C4 #DBA949 #49DB60

split-complementary

#497BDB #DB6049 #C4DB49

monochromatic

#1C438E #265BC1 #497BDB #7CA0E5 #AFC5EF

Accessibility & contrast

On white

4.09

#497BDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#497BDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497BDB

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497BDB	#FFFFFF	#000000	##000000
##497BDB	1.00	4.09	5.14	5.14
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D85DF

Deuteranopia (green-blind)

#3377D9

Tritanopia (blue-blind)

#0091A0

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #497bdb;
/* rgb */ color: rgb(73, 123, 219);
/* oklch */ color: oklch(59.6% 0.156 262.1);

Tailwind

colors: {
  custom: {
    50: '#8ba0e7',
    500: '#497bdb',
    950: '#000000',
  },
}

SCSS

$custom: #497bdb;
$custom-light: #8ba0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#497bdb",
  "rgb": {
    "r": 73,
    "g": 123,
    "b": 219
  },
  "hsl": {
    "h": 219.452,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59608,
    "c": 0.15626,
    "h": 262.1
  },
  "luminance": 0.20697
}

Semantic roles & 50–950 ramp

primary

#497BDB

secondary

#DDC9A2

accent

#AF3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #497BDB

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

Preview Lab → · Contrast checker → · Palette generator →