#5B90DD#5B90DD

#5B90DD is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.1% C 0.129 H 257.7°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#5B90DD
RGB	rgb(91, 144, 221)
HSL	hsl(216, 66%, 61%)
HSV	hsv(216, 59%, 87%)
CMYK	cmyk(58.8%, 34.8%, 0%, 13.3%)
CIE-LAB	lab(59.33, 5.33, -44.55)
CIE-LCH	lch(59.33, 44.87, 276.82°)
OKLab	oklab(65.07% -0.0275 -0.1261)
OKLCH	oklch(65.07% 0.129 257.7)
XYZ	xyz(27.3342, 27.3887, 72.2387)
Luminance	0.2739 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90DD #DDA85B

analogous

#5BD1DD #5B90DD #675BDD

triadic

#5B90DD #DD5B90 #90DD5B

tetradic

#5B90DD #DD5BD1 #DDA85B #5BDD67

square

#5B90DD #DD5BD1 #DDA85B #5BDD67

split-complementary

#5B90DD #DD675B #D1DD5B

monochromatic

#21539D #2B6ED0 #5B90DD #8EB2E8 #C0D5F2

Accessibility & contrast

On white

3.24

#5B90DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#5B90DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90DD

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90DD	#FFFFFF	#000000	##000000
##5B90DD	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7096E0

Deuteranopia (green-blind)

#5F89DB

Tritanopia (blue-blind)

#00A1AC

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b90dd;
/* rgb */ color: rgb(91, 144, 221);
/* oklch */ color: oklch(65.1% 0.129 257.7);

Tailwind

colors: {
  custom: {
    50: '#93b0e8',
    500: '#5b90dd',
    950: '#000000',
  },
}

SCSS

$custom: #5b90dd;
$custom-light: #93b0e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90dd",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 221
  },
  "hsl": {
    "h": 215.538,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.65071,
    "c": 0.12904,
    "h": 257.7
  },
  "luminance": 0.27391
}

Semantic roles & 50–950 ramp

primary

#5B90DD

secondary

#E2CEB1

accent

#8418CE

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B90DD

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

Preview Lab → · Contrast checker → · Palette generator →