#439ADB#439ADB

#439ADB is a light, vivid cyan. Relative luminance 0.294; OKLCH L 66.2% C 0.128 H 244.2°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#439ADB
RGB	rgb(67, 154, 219)
HSL	hsl(206, 68%, 56%)
HSV	hsv(206, 69%, 86%)
CMYK	cmyk(69.4%, 29.7%, 0%, 14.1%)
CIE-LAB	lab(61.15, -5.27, -40.65)
CIE-LCH	lch(61.15, 40.99, 262.62°)
OKLab	oklab(66.21% -0.0556 -0.1149)
OKLCH	oklch(66.21% 0.128 244.2)
XYZ	xyz(26.6516, 29.4161, 71.2774)
Luminance	0.2942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439ADB #DB8443

analogous

#43DBD0 #439ADB #434EDB

triadic

#439ADB #DB439A #9ADB43

tetradic

#439ADB #D043DB #DB8443 #4EDB43

square

#439ADB #D043DB #DB8443 #4EDB43

split-complementary

#439ADB #DB434E #DBD043

monochromatic

#1A5A89 #247BBD #439ADB #76B6E5 #AAD1EF

Accessibility & contrast

On white

3.05

#439ADB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#439ADB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439ADB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439ADB	#FFFFFF	#000000	##000000
##439ADB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9CDE

Deuteranopia (green-blind)

#688DDA

Tritanopia (blue-blind)

#00AAB1

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #439adb;
/* rgb */ color: rgb(67, 154, 219);
/* oklch */ color: oklch(66.2% 0.128 244.2);

Tailwind

colors: {
  custom: {
    50: '#88b7e6',
    500: '#439adb',
    950: '#000000',
  },
}

SCSS

$custom: #439adb;
$custom-light: #88b7e6;
$custom-dark: #000000;

JSON

{
  "hex": "#439adb",
  "rgb": {
    "r": 67,
    "g": 154,
    "b": 219
  },
  "hsl": {
    "h": 205.658,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.66208,
    "c": 0.12765,
    "h": 244.2
  },
  "luminance": 0.29419
}

Semantic roles & 50–950 ramp

primary

#439ADB

secondary

#DCB89E

accent

#873DEB

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #439ADB

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

Preview Lab → · Contrast checker → · Palette generator →