#439BDE#439BDE

#439BDE is a light, vivid cyan. Relative luminance 0.299; OKLCH L 66.6% C 0.130 H 244.7°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#439BDE
RGB	rgb(67, 155, 222)
HSL	hsl(206, 70%, 57%)
HSV	hsv(206, 70%, 87%)
CMYK	cmyk(69.8%, 30.2%, 0%, 12.9%)
CIE-LAB	lab(61.57, -4.81, -41.64)
CIE-LCH	lch(61.57, 41.92, 263.41°)
OKLab	oklab(66.59% -0.0557 -0.1178)
OKLCH	oklch(66.59% 0.13 244.7)
XYZ	xyz(27.2159, 29.9069, 73.4314)
Luminance	0.2991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BDE #DE8643

analogous

#43DED3 #439BDE #434EDE

triadic

#439BDE #DE439B #9BDE43

tetradic

#439BDE #D343DE #DE8643 #4EDE43

square

#439BDE #D343DE #DE8643 #4EDE43

split-complementary

#439BDE #DE434E #DED343

monochromatic

#195B8E #227DC2 #439BDE #77B7E7 #ABD2F0

Accessibility & contrast

On white

3.01

#439BDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#439BDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BDE

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BDE	#FFFFFF	#000000	##000000
##439BDE	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D9DE1

Deuteranopia (green-blind)

#678EDD

Tritanopia (blue-blind)

#00ABB3

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #439bde;
/* rgb */ color: rgb(67, 155, 222);
/* oklch */ color: oklch(66.6% 0.130 244.7);

Tailwind

colors: {
  custom: {
    50: '#89b8e8',
    500: '#439bde',
    950: '#000000',
  },
}

SCSS

$custom: #439bde;
$custom-light: #89b8e8;
$custom-dark: #000000;

JSON

{
  "hex": "#439bde",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 222
  },
  "hsl": {
    "h": 205.935,
    "s": 70.136,
    "l": 56.667
  },
  "oklch": {
    "l": 0.6659,
    "c": 0.13029,
    "h": 244.7
  },
  "luminance": 0.2991
}

Semantic roles & 50–950 ramp

primary

#439BDE

secondary

#DEBA9F

accent

#883BED

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #439BDE

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

Preview Lab → · Contrast checker → · Palette generator →