#497FDB#497FDB

#497FDB is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.5% C 0.152 H 260.4°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#497FDB
RGB	rgb(73, 127, 219)
HSL	hsl(218, 67%, 57%)
HSV	hsv(218, 67%, 86%)
CMYK	cmyk(66.7%, 42%, 0%, 14.1%)
CIE-LAB	lab(53.72, 11.62, -52.40)
CIE-LCH	lch(53.72, 53.67, 282.50°)
OKLab	oklab(60.46% -0.0254 -0.1495)
OKLCH	oklch(60.46% 0.152 260.4)
XYZ	xyz(23.1186, 21.7074, 69.9757)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497FDB #DBA549

analogous

#49C8DB #497FDB #5C49DB

triadic

#497FDB #DB497F #7FDB49

tetradic

#497FDB #DB49C8 #DBA549 #49DB5C

square

#497FDB #DB49C8 #DBA549 #49DB5C

split-complementary

#497FDB #DB5C49 #C8DB49

monochromatic

#1C468E #265FC1 #497FDB #7CA3E5 #AFC7EF

Accessibility & contrast

On white

3.93

#497FDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#497FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497FDB

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497FDB	#FFFFFF	#000000	##000000
##497FDB	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5488DF

Deuteranopia (green-blind)

#3C7AD9

Tritanopia (blue-blind)

#0094A2

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #497fdb;
/* rgb */ color: rgb(73, 127, 219);
/* oklch */ color: oklch(60.5% 0.152 260.4);

Tailwind

colors: {
  custom: {
    50: '#8ba3e7',
    500: '#497fdb',
    950: '#000000',
  },
}

SCSS

$custom: #497fdb;
$custom-light: #8ba3e7;
$custom-dark: #000000;

JSON

{
  "hex": "#497fdb",
  "rgb": {
    "r": 73,
    "g": 127,
    "b": 219
  },
  "hsl": {
    "h": 217.808,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60458,
    "c": 0.15167,
    "h": 260.4
  },
  "luminance": 0.2171
}

Semantic roles & 50–950 ramp

primary

#497FDB

secondary

#DDC8A2

accent

#AA3EEA

background

#F9FAFE

surface

#F1F3FC

border

#CBCDD5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #497FDB

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

Preview Lab → · Contrast checker → · Palette generator →