#5189DB#5189DB

#5189DB is a light, vivid blue. Relative luminance 0.248; OKLCH L 63.0% C 0.138 H 257.9°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#5189DB
RGB	rgb(81, 137, 219)
HSL	hsl(216, 66%, 59%)
HSV	hsv(216, 63%, 86%)
CMYK	cmyk(63%, 37.4%, 0%, 14.1%)
CIE-LAB	lab(56.83, 6.93, -47.41)
CIE-LCH	lch(56.83, 47.92, 278.32°)
OKLab	oklab(62.97% -0.0289 -0.1347)
OKLCH	oklch(62.97% 0.138 257.9)
XYZ	xyz(25.1206, 24.7528, 70.4580)
Luminance	0.2475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5189DB #DBA351

analogous

#51CEDB #5189DB #5E51DB

triadic

#5189DB #DB5189 #89DB51

tetradic

#5189DB #DB51CE #DBA351 #51DB5E

square

#5189DB #DB51CE #DBA351 #51DB5E

split-complementary

#5189DB #DB5E51 #CEDB51

monochromatic

#1E4E93 #2969C6 #5189DB #84ABE5 #B6CEF0

Accessibility & contrast

On white

3.53

#5189DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#5189DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5189DB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5189DB	#FFFFFF	#000000	##000000
##5189DB	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658FDE

Deuteranopia (green-blind)

#5282D9

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5189db;
/* rgb */ color: rgb(81, 137, 219);
/* oklch */ color: oklch(63.0% 0.138 257.9);

Tailwind

colors: {
  custom: {
    50: '#8eabe6',
    500: '#5189db',
    950: '#000000',
  },
}

SCSS

$custom: #5189db;
$custom-light: #8eabe6;
$custom-dark: #000000;

JSON

{
  "hex": "#5189db",
  "rgb": {
    "r": 81,
    "g": 137,
    "b": 219
  },
  "hsl": {
    "h": 215.652,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.62969,
    "c": 0.13773,
    "h": 257.9
  },
  "luminance": 0.24755
}

Semantic roles & 50–950 ramp

primary

#5189DB

secondary

#DFC9A9

accent

#A43FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5189DB

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

Preview Lab → · Contrast checker → · Palette generator →