#4189D8#4189D8

#4189D8 is a light, vivid cyan. Relative luminance 0.240; OKLCH L 62.1% C 0.140 H 252.8°. Best body text is #000000 at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#4189D8
RGB	rgb(65, 137, 216)
HSL	hsl(211, 66%, 55%)
HSV	hsv(211, 70%, 85%)
CMYK	cmyk(69.9%, 36.6%, 0%, 15.3%)
CIE-LAB	lab(56.06, 3.29, -47.00)
CIE-LCH	lch(56.06, 47.12, 274.01°)
OKLab	oklab(62.14% -0.0413 -0.1337)
OKLCH	oklch(62.14% 0.14 252.8)
XYZ	xyz(23.5157, 23.9705, 68.3399)
Luminance	0.2397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4189D8 #D89041

analogous

#41D4D8 #4189D8 #4541D8

triadic

#4189D8 #D84189 #89D841

tetradic

#4189D8 #D841D4 #D89041 #41D845

square

#4189D8 #D841D4 #D89041 #41D845

split-complementary

#4189D8 #D84541 #D4D841

monochromatic

#1B4D84 #256BB6 #4189D8 #74A9E2 #A7C8ED

Accessibility & contrast

On white

3.62

#4189D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.79

#4189D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189D8

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4189D8	#FFFFFF	#000000	##000000
##4189D8	1.00	3.62	5.79	5.79
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.79	21.00	1.00	1.00
##000000	5.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658EDB

Deuteranopia (green-blind)

#4F80D6

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4189d8;
/* rgb */ color: rgb(65, 137, 216);
/* oklch */ color: oklch(62.1% 0.140 252.8);

Tailwind

colors: {
  custom: {
    50: '#87abe4',
    500: '#4189d8',
    950: '#000000',
  },
}

SCSS

$custom: #4189d8;
$custom-light: #87abe4;
$custom-dark: #000000;

JSON

{
  "hex": "#4189d8",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 216
  },
  "hsl": {
    "h": 211.391,
    "s": 65.939,
    "l": 55.098
  },
  "oklch": {
    "l": 0.62142,
    "c": 0.13993,
    "h": 252.8
  },
  "luminance": 0.23973
}

Semantic roles & 50–950 ramp

primary

#4189D8

secondary

#DABC9B

accent

#983FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D1015

muted

#7D7F84

Preview Lab

Preview with #4189D8

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

Preview Lab → · Contrast checker → · Palette generator →