#439BB5#439BB5

#439BB5 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.7% C 0.092 H 220.4°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#439BB5
RGB	rgb(67, 155, 181)
HSL	hsl(194, 46%, 49%)
HSV	hsv(194, 63%, 71%)
CMYK	cmyk(63%, 14.4%, 0%, 29%)
CIE-LAB	lab(59.86, -18.27, -21.34)
CIE-LCH	lch(59.86, 28.09, 229.44°)
OKLab	oklab(64.66% -0.0698 -0.0594)
OKLCH	oklch(64.66% 0.092 220.4)
XYZ	xyz(22.3732, 27.9699, 47.9267)
Luminance	0.2797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BB5 #B55D43

analogous

#43B596 #439BB5 #4362B5

triadic

#439BB5 #B5439B #9BB543

tetradic

#439BB5 #9643B5 #B55D43 #62B543

square

#439BB5 #9643B5 #B55D43 #62B543

split-complementary

#439BB5 #B54362 #B59643

monochromatic

#224E5C #327588 #439BB5 #6CB4C9 #99CBD9

Accessibility & contrast

On white

3.18

#439BB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#439BB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BB5

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BB5	#FFFFFF	#000000	##000000
##439BB5	1.00	3.18	6.59	6.59
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B97B6

Deuteranopia (green-blind)

#7B8BB5

Tritanopia (blue-blind)

#00A4A3

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #439bb5;
/* rgb */ color: rgb(67, 155, 181);
/* oklch */ color: oklch(64.7% 0.092 220.4);

Tailwind

colors: {
  custom: {
    50: '#83b8cb',
    500: '#439bb5',
    950: '#000000',
  },
}

SCSS

$custom: #439bb5;
$custom-light: #83b8cb;
$custom-dark: #000000;

JSON

{
  "hex": "#439bb5",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 181
  },
  "hsl": {
    "h": 193.684,
    "s": 45.968,
    "l": 48.627
  },
  "oklch": {
    "l": 0.64664,
    "c": 0.09168,
    "h": 220.4
  },
  "luminance": 0.27972
}

Semantic roles & 50–950 ramp

primary

#439BB5

secondary

#C59B8F

accent

#7052D6

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439BB5

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

Preview Lab → · Contrast checker → · Palette generator →