#5198DD#5198DD

#5198DD is a light, vivid cyan. Relative luminance 0.294; OKLCH L 66.4% C 0.126 H 249.7°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#5198DD
RGB	rgb(81, 152, 221)
HSL	hsl(210, 67%, 59%)
HSV	hsv(210, 63%, 87%)
CMYK	cmyk(63.3%, 31.2%, 0%, 13.3%)
CIE-LAB	lab(61.15, -1.19, -41.71)
CIE-LCH	lch(61.15, 41.73, 268.37°)
OKLab	oklab(66.38% -0.0437 -0.1179)
OKLCH	oklch(66.38% 0.126 249.7)
XYZ	xyz(27.6679, 29.4236, 72.6138)
Luminance	0.2943 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5198DD #DD9651

analogous

#51DDDC #5198DD #5152DD

triadic

#5198DD #DD5198 #98DD51

tetradic

#5198DD #DC51DD #DD9651 #52DD51

square

#5198DD #DC51DD #DD9651 #52DD51

split-complementary

#5198DD #DD5152 #DDDC51

monochromatic

#1D5B96 #277AC9 #5198DD #84B6E7 #B7D5F1

Accessibility & contrast

On white

3.05

#5198DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#5198DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5198DD

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5198DD	#FFFFFF	#000000	##000000
##5198DD	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A9BE0

Deuteranopia (green-blind)

#678EDC

Tritanopia (blue-blind)

#00A8B1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5198dd;
/* rgb */ color: rgb(81, 152, 221);
/* oklch */ color: oklch(66.4% 0.126 249.7);

Tailwind

colors: {
  custom: {
    50: '#8eb6e8',
    500: '#5198dd',
    950: '#000000',
  },
}

SCSS

$custom: #5198dd;
$custom-light: #8eb6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#5198dd",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 221
  },
  "hsl": {
    "h": 209.571,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.66379,
    "c": 0.12571,
    "h": 249.7
  },
  "luminance": 0.29426
}

Semantic roles & 50–950 ramp

primary

#5198DD

secondary

#E0C5AA

accent

#933EEA

background

#F9FBFE

surface

#F2F6FC

border

#CCD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #5198DD

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

Preview Lab → · Contrast checker → · Palette generator →