#497CDB#497CDB

#497CDB is a mid, vivid blue. Relative luminance 0.209; OKLCH L 59.8% C 0.155 H 261.6°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#497CDB
RGB	rgb(73, 124, 219)
HSL	hsl(219, 67%, 57%)
HSV	hsv(219, 67%, 86%)
CMYK	cmyk(66.7%, 43.4%, 0%, 14.1%)
CIE-LAB	lab(52.89, 13.45, -53.72)
CIE-LCH	lch(52.89, 55.38, 284.06°)
OKLab	oklab(59.82% -0.0225 -0.1535)
OKLCH	oklch(59.82% 0.155 261.6)
XYZ	xyz(22.7370, 20.9440, 69.8484)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497CDB #DBA849

analogous

#49C5DB #497CDB #5F49DB

triadic

#497CDB #DB497C #7CDB49

tetradic

#497CDB #DB49C5 #DBA849 #49DB5F

square

#497CDB #DB49C5 #DBA849 #49DB5F

split-complementary

#497CDB #DB5F49 #C5DB49

monochromatic

#1C448E #265CC1 #497CDB #7CA1E5 #AFC6EF

Accessibility & contrast

On white

4.05

#497CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#497CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497CDB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497CDB	#FFFFFF	#000000	##000000
##497CDB	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E85DF

Deuteranopia (green-blind)

#3678D9

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #497cdb;
/* rgb */ color: rgb(73, 124, 219);
/* oklch */ color: oklch(59.8% 0.155 261.6);

Tailwind

colors: {
  custom: {
    50: '#8ba1e7',
    500: '#497cdb',
    950: '#000000',
  },
}

SCSS

$custom: #497cdb;
$custom-light: #8ba1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#497cdb",
  "rgb": {
    "r": 73,
    "g": 124,
    "b": 219
  },
  "hsl": {
    "h": 219.041,
    "s": 66.972,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59819,
    "c": 0.15511,
    "h": 261.6
  },
  "luminance": 0.20946
}

Semantic roles & 50–950 ramp

primary

#497CDB

secondary

#DDC9A2

accent

#AE3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #497CDB

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

Preview Lab → · Contrast checker → · Palette generator →