#399ABD#399ABD

#399ABD is a light, moderate cyan. Relative luminance 0.277; OKLCH L 64.5% C 0.103 H 225.9°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#399ABD
RGB	rgb(57, 154, 189)
HSL	hsl(196, 54%, 48%)
HSV	hsv(196, 70%, 74%)
CMYK	cmyk(69.8%, 18.5%, 0%, 25.9%)
CIE-LAB	lab(59.57, -16.79, -26.32)
CIE-LCH	lch(59.57, 31.22, 237.46°)
OKLab	oklab(64.45% -0.0714 -0.0737)
OKLCH	oklch(64.45% 0.103 225.9)
XYZ	xyz(22.4245, 27.6527, 52.2899)
Luminance	0.2766 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ABD #BD5C39

analogous

#39BD9E #399ABD #3958BD

triadic

#399ABD #BD399A #9ABD39

tetradic

#399ABD #9E39BD #BD5C39 #58BD39

square

#399ABD #9E39BD #BD5C39 #58BD39

split-complementary

#399ABD #BD3958 #BD9E39

monochromatic

#1D4D5F #2B748E #399ABD #63B3D0 #92CADE

Accessibility & contrast

On white

3.22

#399ABD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#399ABD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399ABD

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ABD	#FFFFFF	#000000	##000000
##399ABD	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8797BF

Deuteranopia (green-blind)

#758ABD

Tritanopia (blue-blind)

#00A4A5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #399abd;
/* rgb */ color: rgb(57, 154, 189);
/* oklch */ color: oklch(64.5% 0.103 225.9);

Tailwind

colors: {
  custom: {
    50: '#80b7d1',
    500: '#399abd',
    950: '#000000',
  },
}

SCSS

$custom: #399abd;
$custom-light: #80b7d1;
$custom-dark: #000000;

JSON

{
  "hex": "#399abd",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 189
  },
  "hsl": {
    "h": 195.909,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.64452,
    "c": 0.10258,
    "h": 225.9
  },
  "luminance": 0.27655
}

Semantic roles & 50–950 ramp

primary

#399ABD

secondary

#C99A89

accent

#724BDD

background

#F8FBFC

surface

#F0F6F9

border

#CBD0D2

text

#0B1114

muted

#7C8082

Preview Lab

Preview with #399ABD

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

Preview Lab → · Contrast checker → · Palette generator →