#497DD3#497DD3

#497DD3 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.5% C 0.143 H 259.9°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#497DD3
RGB	rgb(73, 125, 211)
HSL	hsl(217, 61%, 56%)
HSV	hsv(217, 65%, 83%)
CMYK	cmyk(65.4%, 40.8%, 0%, 17.3%)
CIE-LAB	lab(52.71, 10.05, -49.48)
CIE-LCH	lch(52.71, 50.49, 281.48°)
OKLab	oklab(59.54% -0.0251 -0.141)
OKLCH	oklch(59.54% 0.143 259.9)
XYZ	xyz(21.8350, 20.7847, 64.4765)
Luminance	0.2079 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497DD3 #D39F49

analogous

#49C2D3 #497DD3 #5A49D3

triadic

#497DD3 #D3497D #7DD349

tetradic

#497DD3 #D349C2 #D39F49 #49D35A

square

#497DD3 #D349C2 #D39F49 #49D35A

split-complementary

#497DD3 #D35A49 #C2D349

monochromatic

#1F4582 #2B5FB3 #497DD3 #7AA0DF #ACC3EB

Accessibility & contrast

On white

4.07

#497DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#497DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497DD3

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497DD3	#FFFFFF	#000000	##000000
##497DD3	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5685D6

Deuteranopia (green-blind)

#4178D1

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #497dd3;
/* rgb */ color: rgb(73, 125, 211);
/* oklch */ color: oklch(59.5% 0.143 259.9);

Tailwind

colors: {
  custom: {
    50: '#89a2e1',
    500: '#497dd3',
    950: '#000000',
  },
}

SCSS

$custom: #497dd3;
$custom-light: #89a2e1;
$custom-dark: #000000;

JSON

{
  "hex": "#497dd3",
  "rgb": {
    "r": 73,
    "g": 125,
    "b": 211
  },
  "hsl": {
    "h": 217.391,
    "s": 61.062,
    "l": 55.686
  },
  "oklch": {
    "l": 0.59537,
    "c": 0.14321,
    "h": 259.9
  },
  "luminance": 0.20787
}

Semantic roles & 50–950 ramp

primary

#497DD3

secondary

#D9C39F

accent

#A844E4

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #497DD3

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

Preview Lab → · Contrast checker → · Palette generator →