#439BB1#439BB1

#439BB1 is a light, moderate cyan. Relative luminance 0.278; OKLCH L 64.5% C 0.089 H 216.9°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#439BB1
RGB	rgb(67, 155, 177)
HSL	hsl(192, 45%, 48%)
HSV	hsv(192, 62%, 69%)
CMYK	cmyk(62.1%, 12.4%, 0%, 30.6%)
CIE-LAB	lab(59.71, -19.51, -19.31)
CIE-LCH	lch(59.71, 27.45, 224.70°)
OKLab	oklab(64.5% -0.0714 -0.0536)
OKLCH	oklch(64.5% 0.089 216.9)
XYZ	xyz(21.9687, 27.8080, 45.7962)
Luminance	0.2781 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#439BB1 #B15943

analogous

#43B190 #439BB1 #4364B1

triadic

#439BB1 #B1439B #9BB143

tetradic

#439BB1 #9043B1 #B15943 #64B143

square

#439BB1 #9043B1 #B15943 #64B143

split-complementary

#439BB1 #B14364 #B19043

monochromatic

#214D58 #327485 #439BB1 #6AB4C7 #97CBD8

Accessibility & contrast

On white

3.20

#439BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#439BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #439BB1

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##439BB1	#FFFFFF	#000000	##000000
##439BB1	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C97B2

Deuteranopia (green-blind)

#7C8BB1

Tritanopia (blue-blind)

#00A3A2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #439bb1;
/* rgb */ color: rgb(67, 155, 177);
/* oklch */ color: oklch(64.5% 0.089 216.9);

Tailwind

colors: {
  custom: {
    50: '#83b8c8',
    500: '#439bb1',
    950: '#000000',
  },
}

SCSS

$custom: #439bb1;
$custom-light: #83b8c8;
$custom-dark: #000000;

JSON

{
  "hex": "#439bb1",
  "rgb": {
    "r": 67,
    "g": 155,
    "b": 177
  },
  "hsl": {
    "h": 192,
    "s": 45.082,
    "l": 47.843
  },
  "oklch": {
    "l": 0.64498,
    "c": 0.08932,
    "h": 216.9
  },
  "luminance": 0.2781
}

Semantic roles & 50–950 ramp

primary

#439BB1

secondary

#C3978C

accent

#6D53D5

background

#F8FBFC

surface

#F0F6F8

border

#CBD0D1

text

#0C1113

muted

#7D8082

Preview Lab

Preview with #439BB1

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

Preview Lab → · Contrast checker → · Palette generator →