#6491BF#6491BF

#6491BF is a light, moderate cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.085 H 249.8°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX#6491BF
RGBrgb(100, 145, 191)
HSLhsl(210, 42%, 57%)
HSVhsv(210, 48%, 75%)
CMYKcmyk(47.6%, 24.1%, 0%, 25.1%)
CIE-LABlab(58.71, -2.62, -28.64)
CIE-LCHlch(58.71, 28.76, 264.77°)
OKLaboklab(64.26% -0.0294 -0.0799)
OKLCHoklch(64.26% 0.085 249.8)
XYZxyz(24.7817, 26.7200, 53.1317)
Luminance0.2672 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#6491BF #BF9264
analogous
#64BFBF #6491BF #6564BF
triadic
#6491BF #BF6491 #91BF64
tetradic
#6491BF #BF64BF #BF9264 #64BF65
square
#6491BF #BF64BF #BF9264 #64BF65
split-complementary
#6491BF #BF6564 #BFBF64
monochromatic
#315477 #4372A3 #6491BF #8FB0D1 #BBCEE3

Accessibility & contrast

On white

3.31
#6491BF on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.34
#6491BF on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #6491BF
6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##6491BF#FFFFFF#000000##000000
##6491BF1.003.316.346.34
#FFFFFF3.311.0021.0021.00
#0000006.3421.001.001.00
##0000006.3421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F92C1
Deuteranopia (green-blind)
#7389BE
Tritanopia (blue-blind)
#3C9CA1
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #6491bf;
/* rgb */ color: rgb(100, 145, 191);
/* oklch */ color: oklch(64.3% 0.085 249.8);
Tailwind
colors: {
  custom: {
    50: '#95b1d2',
    500: '#6491bf',
    950: '#000000',
  },
}
SCSS
$custom: #6491bf;
$custom-light: #95b1d2;
$custom-dark: #000000;
JSON
{
  "hex": "#6491bf",
  "rgb": {
    "r": 100,
    "g": 145,
    "b": 191
  },
  "hsl": {
    "h": 210.33,
    "s": 41.553,
    "l": 57.059
  },
  "oklch": {
    "l": 0.64264,
    "c": 0.08512,
    "h": 249.8
  },
  "luminance": 0.26722
}

Semantic roles & 50–950 ramp

primary
#6491BF
secondary
#D2C0AD
accent
#9556D1
background
#F9FAFC
surface
#F2F4F9
border
#CCCED2
text
#0E1014
muted
#7E7F82

Preview Lab

Preview with #6491BF

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

Preview Lab → · Contrast checker → · Palette generator →

#6491BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva