#6491D3#6491D3

#6491D3 is a light, moderate blue. Relative luminance 0.277; OKLCH L 65.2% C 0.111 H 257.8°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#6491D3
RGB	rgb(100, 145, 211)
HSL	hsl(216, 56%, 61%)
HSV	hsv(216, 53%, 83%)
CMYK	cmyk(52.6%, 31.3%, 0%, 17.3%)
CIE-LAB	lab(59.58, 3.45, -38.54)
CIE-LCH	lch(59.58, 38.70, 275.11°)
OKLab	oklab(65.23% -0.0234 -0.1084)
OKLCH	oklch(65.23% 0.111 257.8)
XYZ	xyz(27.1348, 27.6612, 65.5246)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6491D3 #D3A664

analogous

#64C8D3 #6491D3 #6E64D3

triadic

#6491D3 #D36491 #91D364

tetradic

#6491D3 #D364C8 #D3A664 #64D36E

square

#6491D3 #D364C8 #D3A664 #64D36E

split-complementary

#6491D3 #D36E64 #C8D364

monochromatic

#2A5493 #3770C3 #6491D3 #94B3E1 #C3D5EE

Accessibility & contrast

On white

3.21

#6491D3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#6491D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491D3

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6491D3	#FFFFFF	#000000	##000000
##6491D3	1.00	3.21	6.53	6.53
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7795D6

Deuteranopia (green-blind)

#698BD2

Tritanopia (blue-blind)

#29A0A9

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #6491d3;
/* rgb */ color: rgb(100, 145, 211);
/* oklch */ color: oklch(65.2% 0.111 257.8);

Tailwind

colors: {
  custom: {
    50: '#97b1e1',
    500: '#6491d3',
    950: '#000000',
  },
}

SCSS

$custom: #6491d3;
$custom-light: #97b1e1;
$custom-dark: #000000;

JSON

{
  "hex": "#6491d3",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 211
  },
  "hsl": {
    "h": 215.676,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.65229,
    "c": 0.11093,
    "h": 257.8
  },
  "luminance": 0.27663
}

Semantic roles & 50–950 ramp

primary

#6491D3

secondary

#DECDB4

accent

#8222C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #6491D3

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

Preview Lab → · Contrast checker → · Palette generator →