#439BDC#439BDC

#439BDC is a light, vivid cyan. Relative luminance 0.298; OKLCH L 66.5% C 0.128 H 243.9°. Best body text is #000000 at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#439BDC
RGB	rgb(67, 155, 220)
HSL	hsl(205, 69%, 56%)
HSV	hsv(205, 70%, 86%)
CMYK	cmyk(69.5%, 29.5%, 0%, 13.7%)
CIE-LAB	lab(61.48, -5.49, -40.68)
CIE-LCH	lch(61.48, 41.05, 262.31°)
OKLab	oklab(66.49% -0.0562 -0.115)
OKLCH	oklch(66.49% 0.128 243.9)
XYZ	xyz(26.9494, 29.8003, 72.0280)
Luminance	0.2980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BDC #DC8443

analogous

#43DCD1 #439BDC #434FDC

triadic

#439BDC #DC439B #9BDC43

tetradic

#439BDC #D143DC #DC8443 #4FDC43

square

#439BDC #D143DC #DC8443 #4FDC43

split-complementary

#439BDC #DC434F #DCD143

monochromatic

#1A5B8B #237DBE #439BDC #77B6E6 #AAD2EF

Accessibility & contrast

On white

3.02

#439BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.96

#439BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BDC

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BDC	#FFFFFF	#000000	##000000
##439BDC	1.00	3.02	6.96	6.96
#FFFFFF	3.02	1.00	21.00	21.00
#000000	6.96	21.00	1.00	1.00
##000000	6.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E9DDF

Deuteranopia (green-blind)

#688EDB

Tritanopia (blue-blind)

#00ABB2

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #439bdc;
/* rgb */ color: rgb(67, 155, 220);
/* oklch */ color: oklch(66.5% 0.128 243.9);

Tailwind

colors: {
  custom: {
    50: '#88b8e7',
    500: '#439bdc',
    950: '#000000',
  },
}

SCSS

$custom: #439bdc;
$custom-light: #88b8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#439bdc",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 220
  },
  "hsl": {
    "h": 205.49,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.66487,
    "c": 0.12801,
    "h": 243.9
  },
  "luminance": 0.29803
}

Semantic roles & 50–950 ramp

primary

#439BDC

secondary

#DDB99E

accent

#873CEB

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #439BDC

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

Preview Lab → · Contrast checker → · Palette generator →