#5A90E9#5A90E9

#5A90E9 is a light, vivid blue. Relative luminance 0.280; OKLCH L 65.7% C 0.145 H 259.9°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#5A90E9
RGB	rgb(90, 144, 233)
HSL	hsl(217, 76%, 63%)
HSV	hsv(217, 61%, 91%)
CMYK	cmyk(61.4%, 38.2%, 0%, 8.6%)
CIE-LAB	lab(59.89, 9.08, -50.34)
CIE-LCH	lch(59.89, 51.16, 280.23°)
OKLab	oklab(65.69% -0.0255 -0.143)
OKLCH	oklch(65.69% 0.145 259.9)
XYZ	xyz(28.8925, 28.0007, 80.9571)
Luminance	0.2800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A90E9 #E9B35A

analogous

#5AD7E9 #5A90E9 #6B5AE9

triadic

#5A90E9 #E95A90 #90E95A

tetradic

#5A90E9 #E95AD7 #E9B35A #5AE96B

square

#5A90E9 #E95AD7 #E9B35A #5AE96B

split-complementary

#5A90E9 #E96B5A #D7E95A

monochromatic

#1852B1 #246CE2 #5A90E9 #90B4F0 #C6D9F7

Accessibility & contrast

On white

3.18

#5A90E9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#5A90E9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A90E9

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A90E9	#FFFFFF	#000000	##000000
##5A90E9	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998ED

Deuteranopia (green-blind)

#558AE7

Tritanopia (blue-blind)

#00A4B1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5a90e9;
/* rgb */ color: rgb(90, 144, 233);
/* oklch */ color: oklch(65.7% 0.145 259.9);

Tailwind

colors: {
  custom: {
    50: '#94b0f0',
    500: '#5a90e9',
    950: '#000000',
  },
}

SCSS

$custom: #5a90e9;
$custom-light: #94b0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5a90e9",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 233
  },
  "hsl": {
    "h": 217.343,
    "s": 76.471,
    "l": 63.333
  },
  "oklch": {
    "l": 0.65688,
    "c": 0.14527,
    "h": 259.9
  },
  "luminance": 0.28003
}

Semantic roles & 50–950 ramp

primary

#5A90E9

secondary

#E9D6B6

accent

#8C0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5A90E9

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

Preview Lab → · Contrast checker → · Palette generator →