#497FDA#497FDA

#497FDA is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.150 H 260.2°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#497FDA
RGB	rgb(73, 127, 218)
HSL	hsl(218, 66%, 57%)
HSV	hsv(218, 67%, 85%)
CMYK	cmyk(66.5%, 41.7%, 0%, 14.5%)
CIE-LAB	lab(53.66, 11.27, -51.92)
CIE-LCH	lch(53.66, 53.13, 282.24°)
OKLab	oklab(60.4% -0.0256 -0.1481)
OKLCH	oklch(60.4% 0.15 260.2)
XYZ	xyz(22.9874, 21.6549, 69.2844)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497FDA #DAA449

analogous

#49C8DA #497FDA #5C49DA

triadic

#497FDA #DA497F #7FDA49

tetradic

#497FDA #DA49C8 #DAA449 #49DA5C

square

#497FDA #DA49C8 #DAA449 #49DA5C

split-complementary

#497FDA #DA5C49 #C8DA49

monochromatic

#1C468C #275FBF #497FDA #7CA3E4 #AFC7EF

Accessibility & contrast

On white

3.94

#497FDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#497FDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497FDA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497FDA	#FFFFFF	#000000	##000000
##497FDA	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5587DE

Deuteranopia (green-blind)

#3D7AD8

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #497fda;
/* rgb */ color: rgb(73, 127, 218);
/* oklch */ color: oklch(60.4% 0.150 260.2);

Tailwind

colors: {
  custom: {
    50: '#8aa3e6',
    500: '#497fda',
    950: '#000000',
  },
}

SCSS

$custom: #497fda;
$custom-light: #8aa3e6;
$custom-dark: #000000;

JSON

{
  "hex": "#497fda",
  "rgb": {
    "r": 73,
    "g": 127,
    "b": 218
  },
  "hsl": {
    "h": 217.655,
    "s": 66.21,
    "l": 57.059
  },
  "oklch": {
    "l": 0.60396,
    "c": 0.15033,
    "h": 260.2
  },
  "luminance": 0.21657
}

Semantic roles & 50–950 ramp

primary

#497FDA

secondary

#DDC7A2

accent

#AA3FE9

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #497FDA

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

Preview Lab → · Contrast checker → · Palette generator →