#5990F0#5990F0

#5990F0 is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.0% C 0.155 H 260.8°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#5990F0
RGB	rgb(89, 144, 240)
HSL	hsl(218, 83%, 65%)
HSV	hsv(218, 63%, 94%)
CMYK	cmyk(62.9%, 40%, 0%, 5.9%)
CIE-LAB	lab(60.21, 11.24, -53.71)
CIE-LCH	lch(60.21, 54.87, 281.82°)
OKLab	oklab(66.05% -0.0248 -0.1529)
OKLCH	oklch(66.05% 0.155 260.8)
XYZ	xyz(29.8157, 28.3589, 86.3237)
Luminance	0.2836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5990F0 #F0B959

analogous

#59DBF0 #5990F0 #6E59F0

triadic

#5990F0 #F05990 #90F059

tetradic

#5990F0 #F059DB #F0B959 #59F06E

square

#5990F0 #F059DB #F0B959 #59F06E

split-complementary

#5990F0 #F06E59 #DBF059

monochromatic

#1150BD #216AEB #5990F0 #91B6F5 #C9DBFA

Accessibility & contrast

On white

3.15

#5990F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#5990F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5990F0

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5990F0	#FFFFFF	#000000	##000000
##5990F0	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6599F4

Deuteranopia (green-blind)

#4F8BEE

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5990f0;
/* rgb */ color: rgb(89, 144, 240);
/* oklch */ color: oklch(66.0% 0.155 260.8);

Tailwind

colors: {
  custom: {
    50: '#95b0f5',
    500: '#5990f0',
    950: '#000000',
  },
}

SCSS

$custom: #5990f0;
$custom-light: #95b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5990f0",
  "rgb": {
    "r": 89,
    "g": 144,
    "b": 240
  },
  "hsl": {
    "h": 218.146,
    "s": 83.425,
    "l": 64.51
  },
  "oklch": {
    "l": 0.66045,
    "c": 0.15489,
    "h": 260.8
  },
  "luminance": 0.28362
}

Semantic roles & 50–950 ramp

primary

#5990F0

secondary

#ECD9B8

accent

#9006E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5990F0

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

Preview Lab → · Contrast checker → · Palette generator →