#5B91CD#5B91CD

#5B91CD is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.107 H 252.1°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX#5B91CD
RGBrgb(91, 145, 205)
HSLhsl(212, 53%, 58%)
HSVhsv(212, 56%, 80%)
CMYKcmyk(55.6%, 29.3%, 0%, 19.6%)
CIE-LABlab(58.86, -0.40, -36.33)
CIE-LCHlch(58.86, 36.33, 269.38°)
OKLaboklab(64.46% -0.0329 -0.1022)
OKLCHoklch(64.46% 0.107 252.1)
XYZxyz(25.4553, 26.8806, 61.5928)
Luminance0.2688 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B91CD #CD975B
analogous
#5BCACD #5B91CD #5E5BCD
triadic
#5B91CD #CD5B91 #91CD5B
tetradic
#5B91CD #CD5BCA #CD975B #5BCD5E
square
#5B91CD #CD5BCA #CD975B #5BCD5E
split-complementary
#5B91CD #CD5E5B #CACD5B
monochromatic
#295485 #3772B4 #5B91CD #8AB0DB #B9D0EA

Accessibility & contrast

On white

3.29
#5B91CD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.38
#5B91CD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91CD
6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B91CD#FFFFFF#000000##000000
##5B91CD1.003.296.386.38
#FFFFFF3.291.0021.0021.00
#0000006.3821.001.001.00
##0000006.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#7894D0
Deuteranopia (green-blind)
#6A89CC
Tritanopia (blue-blind)
#029FA6
Achromatopsia (no color)
#8E8E8E

Design tokens & code

CSS
--color: #5b91cd;
/* rgb */ color: rgb(91, 145, 205);
/* oklch */ color: oklch(64.5% 0.107 252.1);
Tailwind
colors: {
  custom: {
    50: '#91b1dc',
    500: '#5b91cd',
    950: '#000000',
  },
}
SCSS
$custom: #5b91cd;
$custom-light: #91b1dc;
$custom-dark: #000000;
JSON
{
  "hex": "#5b91cd",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 205
  },
  "hsl": {
    "h": 211.579,
    "s": 53.271,
    "l": 58.039
  },
  "oklch": {
    "l": 0.64458,
    "c": 0.10735,
    "h": 252.1
  },
  "luminance": 0.26883
}

Semantic roles & 50–950 ramp

primary
#5B91CD
secondary
#D9C3AB
accent
#984BDD
background
#F9FAFD
surface
#F2F4FB
border
#CCCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #5B91CD

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

Preview Lab → · Contrast checker → · Palette generator →

#5B91CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva