#439BD7#439BD7

#439BD7 is a light, vivid cyan. Relative luminance 0.295; OKLCH L 66.2% C 0.122 H 241.8°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#439BD7
RGB	rgb(67, 155, 215)
HSL	hsl(204, 65%, 55%)
HSV	hsv(204, 69%, 84%)
CMYK	cmyk(68.8%, 27.9%, 0%, 15.7%)
CIE-LAB	lab(61.25, -7.19, -38.25)
CIE-LCH	lch(61.25, 38.92, 259.36°)
OKLab	oklab(66.23% -0.0578 -0.1079)
OKLCH	oklch(66.23% 0.122 241.8)
XYZ	xyz(26.2971, 29.5394, 68.5926)
Luminance	0.2954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BD7 #D77F43

analogous

#43D7C9 #439BD7 #4351D7

triadic

#439BD7 #D7439B #9BD743

tetradic

#439BD7 #C943D7 #D77F43 #51D743

square

#439BD7 #C943D7 #D77F43 #51D743

split-complementary

#439BD7 #D74351 #D7C943

monochromatic

#1C5A84 #277CB6 #439BD7 #75B6E2 #A8D1EC

Accessibility & contrast

On white

3.04

#439BD7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#439BD7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BD7

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BD7	#FFFFFF	#000000	##000000
##439BD7	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#809CDA

Deuteranopia (green-blind)

#6B8DD6

Tritanopia (blue-blind)

#00AAB0

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #439bd7;
/* rgb */ color: rgb(67, 155, 215);
/* oklch */ color: oklch(66.2% 0.122 241.8);

Tailwind

colors: {
  custom: {
    50: '#88b8e3',
    500: '#439bd7',
    950: '#000000',
  },
}

SCSS

$custom: #439bd7;
$custom-light: #88b8e3;
$custom-dark: #000000;

JSON

{
  "hex": "#439bd7",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 215
  },
  "hsl": {
    "h": 204.324,
    "s": 64.912,
    "l": 55.294
  },
  "oklch": {
    "l": 0.66233,
    "c": 0.12245,
    "h": 241.8
  },
  "luminance": 0.29542
}

Semantic roles & 50–950 ramp

primary

#439BD7

secondary

#DAB59C

accent

#8440E8

background

#F9FBFD

surface

#F1F6FB

border

#CBD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #439BD7

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

Preview Lab → · Contrast checker → · Palette generator →