#5A90EB#5A90EB

#5A90EB is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.148 H 260.2°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#5A90EB
RGB	rgb(90, 144, 235)
HSL	hsl(218, 78%, 64%)
HSV	hsv(218, 62%, 92%)
CMYK	cmyk(61.7%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.99, 9.74, -51.29)
CIE-LCH	lch(59.99, 52.20, 280.76°)
OKLab	oklab(65.8% -0.025 -0.1458)
OKLCH	oklch(65.8% 0.148 260.2)
XYZ	xyz(29.1798, 28.1157, 82.4703)
Luminance	0.2812 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A90EB #EBB55A

analogous

#5AD8EB #5A90EB #6C5AEB

triadic

#5A90EB #EB5A90 #90EB5A

tetradic

#5A90EB #EB5AD8 #EBB55A #5AEB6C

square

#5A90EB #EB5AD8 #EBB55A #5AEB6C

split-complementary

#5A90EB #EB6C5A #D8EB5A

monochromatic

#1651B5 #236BE4 #5A90EB #91B5F2 #C7D9F8

Accessibility & contrast

On white

3.17

#5A90EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#5A90EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A90EB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A90EB	#FFFFFF	#000000	##000000
##5A90EB	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898EF

Deuteranopia (green-blind)

#548AE9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5a90eb;
/* rgb */ color: rgb(90, 144, 235);
/* oklch */ color: oklch(65.8% 0.148 260.2);

Tailwind

colors: {
  custom: {
    50: '#95b0f2',
    500: '#5a90eb',
    950: '#000000',
  },
}

SCSS

$custom: #5a90eb;
$custom-light: #95b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5a90eb",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 217.655,
    "s": 78.378,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65802,
    "c": 0.14792,
    "h": 260.2
  },
  "luminance": 0.28118
}

Semantic roles & 50–950 ramp

primary

#5A90EB

secondary

#EAD7B7

accent

#8D0BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5A90EB

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

Preview Lab → · Contrast checker → · Palette generator →