#4391D9#4391D9

#4391D9 is a light, vivid cyan. Relative luminance 0.265; OKLCH L 64.1% C 0.133 H 249.1°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#4391D9
RGB	rgb(67, 145, 217)
HSL	hsl(209, 66%, 56%)
HSV	hsv(209, 69%, 85%)
CMYK	cmyk(69.1%, 33.2%, 0%, 14.9%)
CIE-LAB	lab(58.46, -0.77, -43.75)
CIE-LCH	lch(58.46, 43.76, 268.99°)
OKLab	oklab(64.06% -0.0474 -0.1241)
OKLCH	oklch(64.06% 0.133 249.1)
XYZ	xyz(24.9598, 26.4512, 69.4223)
Luminance	0.2645 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4391D9 #D98B43

analogous

#43D9D6 #4391D9 #4346D9

triadic

#4391D9 #D94391 #91D943

tetradic

#4391D9 #D643D9 #D98B43 #46D943

square

#4391D9 #D643D9 #D98B43 #46D943

split-complementary

#4391D9 #D94346 #D9D643

monochromatic

#1B5386 #2572B9 #4391D9 #76AFE3 #A9CDEE

Accessibility & contrast

On white

3.34

#4391D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#4391D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4391D9

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4391D9	#FFFFFF	#000000	##000000
##4391D9	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7194DC

Deuteranopia (green-blind)

#5C86D8

Tritanopia (blue-blind)

#00A2AB

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #4391d9;
/* rgb */ color: rgb(67, 145, 217);
/* oklch */ color: oklch(64.1% 0.133 249.1);

Tailwind

colors: {
  custom: {
    50: '#88b0e5',
    500: '#4391d9',
    950: '#000000',
  },
}

SCSS

$custom: #4391d9;
$custom-light: #88b0e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4391d9",
  "rgb": {
    "r": 67,
    "g": 145,
    "b": 217
  },
  "hsl": {
    "h": 208.8,
    "s": 66.372,
    "l": 55.686
  },
  "oklch": {
    "l": 0.64062,
    "c": 0.13283,
    "h": 249.1
  },
  "luminance": 0.26454
}

Semantic roles & 50–950 ramp

primary

#4391D9

secondary

#DBBB9D

accent

#903FE9

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4391D9

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

Preview Lab → · Contrast checker → · Palette generator →