#5990EB#5990EB

#5990EB is a light, vivid blue. Relative luminance 0.281; OKLCH L 65.8% C 0.148 H 259.9°. Best body text is #000000 at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#5990EB
RGB	rgb(89, 144, 235)
HSL	hsl(217, 78%, 64%)
HSV	hsv(217, 62%, 92%)
CMYK	cmyk(62.1%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(59.95, 9.57, -51.36)
CIE-LCH	lch(59.95, 52.24, 280.55°)
OKLab	oklab(65.76% -0.0259 -0.146)
OKLCH	oklch(65.76% 0.148 259.9)
XYZ	xyz(29.0832, 28.0658, 82.4657)
Luminance	0.2807 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5990EB #EBB459

analogous

#59D9EB #5990EB #6B59EB

triadic

#5990EB #EB5990 #90EB59

tetradic

#5990EB #EB59D9 #EBB459 #59EB6B

square

#5990EB #EB59D9 #EBB459 #59EB6B

split-complementary

#5990EB #EB6B59 #D9EB59

monochromatic

#1651B4 #226BE4 #5990EB #90B5F2 #C6D9F8

Accessibility & contrast

On white

3.18

#5990EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.61

#5990EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5990EB

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5990EB	#FFFFFF	#000000	##000000
##5990EB	1.00	3.18	6.61	6.61
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.61	21.00	1.00	1.00
##000000	6.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6898EF

Deuteranopia (green-blind)

#538AE9

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5990eb;
/* rgb */ color: rgb(89, 144, 235);
/* oklch */ color: oklch(65.8% 0.148 259.9);

Tailwind

colors: {
  custom: {
    50: '#94b0f2',
    500: '#5990eb',
    950: '#000000',
  },
}

SCSS

$custom: #5990eb;
$custom-light: #94b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5990eb",
  "rgb": {
    "r": 89,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 217.397,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65755,
    "c": 0.1483,
    "h": 259.9
  },
  "luminance": 0.28069
}

Semantic roles & 50–950 ramp

primary

#5990EB

secondary

#EAD6B6

accent

#8C0BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5990EB

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

Preview Lab → · Contrast checker → · Palette generator →