#439BB0#439BB0

#439BB0 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.089 H 216.0°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#439BB0
RGB	rgb(67, 155, 176)
HSL	hsl(192, 45%, 48%)
HSV	hsv(192, 62%, 69%)
CMYK	cmyk(61.9%, 11.9%, 0%, 31%)
CIE-LAB	lab(59.68, -19.82, -18.80)
CIE-LCH	lch(59.68, 27.31, 223.49°)
OKLab	oklab(64.46% -0.0718 -0.0522)
OKLCH	oklch(64.46% 0.089 216)
XYZ	xyz(21.8694, 27.7683, 45.2732)
Luminance	0.2777 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BB0 #B05843

analogous

#43B08F #439BB0 #4364B0

triadic

#439BB0 #B0439B #9BB043

tetradic

#439BB0 #8F43B0 #B05843 #64B043

square

#439BB0 #8F43B0 #B05843 #64B043

split-complementary

#439BB0 #B04364 #B08F43

monochromatic

#214D57 #327484 #439BB0 #6AB4C6 #96CBD7

Accessibility & contrast

On white

3.20

#439BB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#439BB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BB0

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BB0	#FFFFFF	#000000	##000000
##439BB0	1.00	3.20	6.55	6.55
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D97B1

Deuteranopia (green-blind)

#7D8BB0

Tritanopia (blue-blind)

#00A3A1

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #439bb0;
/* rgb */ color: rgb(67, 155, 176);
/* oklch */ color: oklch(64.5% 0.089 216.0);

Tailwind

colors: {
  custom: {
    50: '#82b8c7',
    500: '#439bb0',
    950: '#000000',
  },
}

SCSS

$custom: #439bb0;
$custom-light: #82b8c7;
$custom-dark: #000000;

JSON

{
  "hex": "#439bb0",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 176
  },
  "hsl": {
    "h": 191.56,
    "s": 44.856,
    "l": 47.647
  },
  "oklch": {
    "l": 0.64457,
    "c": 0.08879,
    "h": 216
  },
  "luminance": 0.27771
}

Semantic roles & 50–950 ramp

primary

#439BB0

secondary

#C3968C

accent

#6C53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0B1113

muted

#7C8082

Preview Lab

Preview with #439BB0

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

Preview Lab → · Contrast checker → · Palette generator →