#497BCB#497BCB

#497BCB is a mid, vivid blue. Relative luminance 0.199; OKLCH L 58.6% C 0.135 H 259.4°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#497BCB
RGB	rgb(73, 123, 203)
HSL	hsl(217, 56%, 54%)
HSV	hsv(217, 64%, 80%)
CMYK	cmyk(64%, 39.4%, 0%, 20.4%)
CIE-LAB	lab(51.72, 8.49, -46.52)
CIE-LCH	lch(51.72, 47.29, 280.35°)
OKLab	oklab(58.62% -0.0248 -0.1324)
OKLCH	oklch(58.62% 0.135 259.4)
XYZ	xyz(20.6063, 19.8922, 59.2420)
Luminance	0.1989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497BCB #CB9949

analogous

#49BCCB #497BCB #5849CB

triadic

#497BCB #CB497B #7BCB49

tetradic

#497BCB #CB49BC #CB9949 #49CB58

square

#497BCB #CB49BC #CB9949 #49CB58

split-complementary

#497BCB #CB5849 #BCCB49

monochromatic

#224377 #305EA7 #497BCB #799ED9 #A8C0E6

Accessibility & contrast

On white

4.22

#497BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#497BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497BCB

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497BCB	#FFFFFF	#000000	##000000
##497BCB	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5782CE

Deuteranopia (green-blind)

#4576C9

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #497bcb;
/* rgb */ color: rgb(73, 123, 203);
/* oklch */ color: oklch(58.6% 0.135 259.4);

Tailwind

colors: {
  custom: {
    50: '#88a0db',
    500: '#497bcb',
    950: '#000000',
  },
}

SCSS

$custom: #497bcb;
$custom-light: #88a0db;
$custom-dark: #000000;

JSON

{
  "hex": "#497bcb",
  "rgb": {
    "r": 73,
    "g": 123,
    "b": 203
  },
  "hsl": {
    "h": 216.923,
    "s": 55.556,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58622,
    "c": 0.13467,
    "h": 259.4
  },
  "luminance": 0.19894
}

Semantic roles & 50–950 ramp

primary

#497BCB

secondary

#D4BE9C

accent

#A549DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #497BCB

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

Preview Lab → · Contrast checker → · Palette generator →