#497ECF#497ECF

#497ECF is a mid, vivid blue. Relative luminance 0.208; OKLCH L 59.5% C 0.137 H 258.6°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#497ECF
RGB	rgb(73, 126, 207)
HSL	hsl(216, 58%, 55%)
HSV	hsv(216, 65%, 81%)
CMYK	cmyk(64.7%, 39.1%, 0%, 18.8%)
CIE-LAB	lab(52.78, 8.05, -47.11)
CIE-LCH	lch(52.78, 47.80, 279.70°)
OKLab	oklab(59.51% -0.0269 -0.134)
OKLCH	oklch(59.51% 0.137 258.6)
XYZ	xyz(21.4670, 20.8411, 61.9108)
Luminance	0.2084 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#497ECF #CF9A49

analogous

#49C1CF #497ECF #5749CF

triadic

#497ECF #CF497E #7ECF49

tetradic

#497ECF #CF49C1 #CF9A49 #49CF57

square

#497ECF #CF49C1 #CF9A49 #49CF57

split-complementary

#497ECF #CF5749 #C1CF49

monochromatic

#21457D #2E60AD #497ECF #79A0DC #AAC3E9

Accessibility & contrast

On white

4.06

#497ECF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#497ECF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #497ECF

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##497ECF	#FFFFFF	#000000	##000000
##497ECF	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A85D2

Deuteranopia (green-blind)

#4678CD

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #497ecf;
/* rgb */ color: rgb(73, 126, 207);
/* oklch */ color: oklch(59.5% 0.137 258.6);

Tailwind

colors: {
  custom: {
    50: '#89a2de',
    500: '#497ecf',
    950: '#000000',
  },
}

SCSS

$custom: #497ecf;
$custom-light: #89a2de;
$custom-dark: #000000;

JSON

{
  "hex": "#497ecf",
  "rgb": {
    "r": 73,
    "g": 126,
    "b": 207
  },
  "hsl": {
    "h": 216.269,
    "s": 58.261,
    "l": 54.902
  },
  "oklch": {
    "l": 0.59515,
    "c": 0.13672,
    "h": 258.6
  },
  "luminance": 0.20843
}

Semantic roles & 50–950 ramp

primary

#497ECF

secondary

#D6C09E

accent

#A446E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0F15

muted

#7D7E83

Preview Lab

Preview with #497ECF

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

Preview Lab → · Contrast checker → · Palette generator →