#497CCF#497CCF

#497CCF is a mid, vivid blue. Relative luminance 0.203; OKLCH L 59.1% C 0.139 H 259.7°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#497CCF
RGB	rgb(73, 124, 207)
HSL	hsl(217, 58%, 55%)
HSV	hsv(217, 65%, 81%)
CMYK	cmyk(64.7%, 40.1%, 0%, 18.8%)
CIE-LAB	lab(52.21, 9.27, -48.01)
CIE-LCH	lch(52.21, 48.89, 280.93°)
OKLab	oklab(59.08% -0.0249 -0.1367)
OKLCH	oklch(59.08% 0.139 259.7)
XYZ	xyz(21.2138, 20.3347, 61.8264)
Luminance	0.2034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497CCF #CF9C49

analogous

#49BFCF #497CCF #5949CF

triadic

#497CCF #CF497C #7CCF49

tetradic

#497CCF #CF49BF #CF9C49 #49CF59

square

#497CCF #CF49BF #CF9C49 #49CF59

split-complementary

#497CCF #CF5949 #BFCF49

monochromatic

#21447D #2E5EAD #497CCF #799FDC #AAC2E9

Accessibility & contrast

On white

4.14

#497CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#497CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497CCF

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497CCF	#FFFFFF	#000000	##000000
##497CCF	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D2

Deuteranopia (green-blind)

#4377CD

Tritanopia (blue-blind)

#008F9B

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #497ccf;
/* rgb */ color: rgb(73, 124, 207);
/* oklch */ color: oklch(59.1% 0.139 259.7);

Tailwind

colors: {
  custom: {
    50: '#89a1de',
    500: '#497ccf',
    950: '#000000',
  },
}

SCSS

$custom: #497ccf;
$custom-light: #89a1de;
$custom-dark: #000000;

JSON

{
  "hex": "#497ccf",
  "rgb": {
    "r": 73,
    "g": 124,
    "b": 207
  },
  "hsl": {
    "h": 217.164,
    "s": 58.261,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59079,
    "c": 0.13894,
    "h": 259.7
  },
  "luminance": 0.20337
}

Semantic roles & 50–950 ramp

primary

#497CCF

secondary

#D6C19E

accent

#A646E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #497CCF

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

Preview Lab → · Contrast checker → · Palette generator →