#399AC5#399AC5

#399AC5 is a light, moderate cyan. Relative luminance 0.280; OKLCH L 64.8% C 0.109 H 231.2°. Best body text is #000000 at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#399AC5
RGB	rgb(57, 154, 197)
HSL	hsl(198, 55%, 50%)
HSV	hsv(198, 71%, 77%)
CMYK	cmyk(71.1%, 21.8%, 0%, 22.7%)
CIE-LAB	lab(59.90, -14.14, -30.32)
CIE-LCH	lch(59.90, 33.46, 245.00°)
OKLab	oklab(64.82% -0.0685 -0.0851)
OKLCH	oklch(64.82% 0.109 231.2)
XYZ	xyz(23.3170, 28.0096, 56.9900)
Luminance	0.2801 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399AC5 #C56439

analogous

#39C5AA #399AC5 #3954C5

triadic

#399AC5 #C5399A #9AC539

tetradic

#399AC5 #AA39C5 #C56439 #54C539

square

#399AC5 #AA39C5 #C56439 #54C539

split-complementary

#399AC5 #C53954 #C5AA39

monochromatic

#1E5066 #2B7596 #399AC5 #68B2D3 #97CAE1

Accessibility & contrast

On white

3.18

#399AC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.60

#399AC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399AC5

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399AC5	#FFFFFF	#000000	##000000
##399AC5	1.00	3.18	6.60	6.60
#FFFFFF	3.18	1.00	21.00	21.00
#000000	6.60	21.00	1.00	1.00
##000000	6.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8498C7

Deuteranopia (green-blind)

#718AC4

Tritanopia (blue-blind)

#00A6A8

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #399ac5;
/* rgb */ color: rgb(57, 154, 197);
/* oklch */ color: oklch(64.8% 0.109 231.2);

Tailwind

colors: {
  custom: {
    50: '#81b7d6',
    500: '#399ac5',
    950: '#000000',
  },
}

SCSS

$custom: #399ac5;
$custom-light: #81b7d6;
$custom-dark: #000000;

JSON

{
  "hex": "#399ac5",
  "rgb": {
    "r": 57,
    "g": 154,
    "b": 197
  },
  "hsl": {
    "h": 198.429,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.64818,
    "c": 0.10924,
    "h": 231.2
  },
  "luminance": 0.28012
}

Semantic roles & 50–950 ramp

primary

#399AC5

secondary

#CDA18D

accent

#7749DE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399AC5

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

Preview Lab → · Contrast checker → · Palette generator →