#399AC2#399AC2

#399AC2 is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.7% C 0.107 H 229.3°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#399AC2
RGB	rgb(57, 154, 194)
HSL	hsl(198, 55%, 49%)
HSV	hsv(198, 71%, 76%)
CMYK	cmyk(70.6%, 20.6%, 0%, 23.9%)
CIE-LAB	lab(59.77, -15.14, -28.83)
CIE-LCH	lch(59.77, 32.56, 242.29°)
OKLab	oklab(64.68% -0.0695 -0.0808)
OKLCH	oklch(64.68% 0.107 229.3)
XYZ	xyz(22.9766, 27.8735, 55.1977)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AC2 #C26139

analogous

#39C2A6 #399AC2 #3956C2

triadic

#399AC2 #C2399A #9AC239

tetradic

#399AC2 #A639C2 #C26139 #56C239

square

#399AC2 #A639C2 #C26139 #56C239

split-complementary

#399AC2 #C23956 #C2A639

monochromatic

#1D4F63 #2B7493 #399AC2 #66B3D2 #95CAE0

Accessibility & contrast

On white

3.19

#399AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#399AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AC2

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AC2	#FFFFFF	#000000	##000000
##399AC2	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8598C4

Deuteranopia (green-blind)

#738AC1

Tritanopia (blue-blind)

#00A5A7

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399ac2;
/* rgb */ color: rgb(57, 154, 194);
/* oklch */ color: oklch(64.7% 0.107 229.3);

Tailwind

colors: {
  custom: {
    50: '#81b7d4',
    500: '#399ac2',
    950: '#000000',
  },
}

SCSS

$custom: #399ac2;
$custom-light: #81b7d4;
$custom-dark: #000000;

JSON

{
  "hex": "#399ac2",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 194
  },
  "hsl": {
    "h": 197.518,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.64679,
    "c": 0.10663,
    "h": 229.3
  },
  "luminance": 0.27876
}

Semantic roles & 50–950 ramp

primary

#399AC2

secondary

#CB9E8B

accent

#754ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399AC2

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

Preview Lab → · Contrast checker → · Palette generator →