#439FDB#439FDB

#439FDB is a light, vivid cyan. Relative luminance 0.311; OKLCH L 67.4% C 0.124 H 240.8°. Best body text is #000000 at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#439FDB
RGB	rgb(67, 159, 219)
HSL	hsl(204, 68%, 56%)
HSV	hsv(204, 69%, 86%)
CMYK	cmyk(69.4%, 27.4%, 0%, 14.1%)
CIE-LAB	lab(62.59, -8.09, -38.38)
CIE-LCH	lch(62.59, 39.22, 258.10°)
OKLab	oklab(67.35% -0.0605 -0.1083)
OKLCH	oklch(67.35% 0.124 240.8)
XYZ	xyz(27.4941, 31.1010, 71.5582)
Luminance	0.3110 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439FDB #DB7F43

analogous

#43DBCB #439FDB #4353DB

triadic

#439FDB #DB439F #9FDB43

tetradic

#439FDB #CB43DB #DB7F43 #53DB43

square

#439FDB #CB43DB #DB7F43 #53DB43

split-complementary

#439FDB #DB4353 #DBCB43

monochromatic

#1A5D89 #2480BD #439FDB #76B9E5 #AAD3EF

Accessibility & contrast

On white

2.91

#439FDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.22

#439FDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #439FDB

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439FDB	#FFFFFF	#000000	##000000
##439FDB	1.00	2.91	7.22	7.22
#FFFFFF	2.91	1.00	21.00	21.00
#000000	7.22	21.00	1.00	1.00
##000000	7.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83A0DE

Deuteranopia (green-blind)

#6F91DA

Tritanopia (blue-blind)

#00AEB4

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #439fdb;
/* rgb */ color: rgb(67, 159, 219);
/* oklch */ color: oklch(67.4% 0.124 240.8);

Tailwind

colors: {
  custom: {
    50: '#88bbe6',
    500: '#439fdb',
    950: '#000000',
  },
}

SCSS

$custom: #439fdb;
$custom-light: #88bbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#439fdb",
  "rgb": {
    "r": 67,
    "g": 159,
    "b": 219
  },
  "hsl": {
    "h": 203.684,
    "s": 67.857,
    "l": 56.078
  },
  "oklch": {
    "l": 0.67351,
    "c": 0.12402,
    "h": 240.8
  },
  "luminance": 0.31104
}

Semantic roles & 50–950 ramp

primary

#439FDB

secondary

#DCB69E

accent

#823DEB

background

#F9FBFE

surface

#F1F6FC

border

#CBD0D5

text

#0D1116

muted

#7E8084

Preview Lab

Preview with #439FDB

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

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