#399CC5#399CC5

#399CC5 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.108 H 229.5°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#399CC5
RGB	rgb(57, 156, 197)
HSL	hsl(198, 55%, 50%)
HSV	hsv(198, 71%, 77%)
CMYK	cmyk(71.1%, 20.8%, 0%, 22.7%)
CIE-LAB	lab(60.49, -15.23, -29.40)
CIE-LCH	lch(60.49, 33.11, 242.61°)
OKLab	oklab(65.29% -0.0704 -0.0825)
OKLCH	oklch(65.29% 0.108 229.5)
XYZ	xyz(23.6498, 28.6753, 57.1010)
Luminance	0.2868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CC5 #C56239

analogous

#39C5A8 #399CC5 #3956C5

triadic

#399CC5 #C5399C #9CC539

tetradic

#399CC5 #A839C5 #C56239 #56C539

square

#399CC5 #A839C5 #C56239 #56C539

split-complementary

#399CC5 #C53956 #C5A839

monochromatic

#1E5166 #2B7696 #399CC5 #68B4D3 #97CBE1

Accessibility & contrast

On white

3.12

#399CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#399CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CC5

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CC5	#FFFFFF	#000000	##000000
##399CC5	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879AC7

Deuteranopia (green-blind)

#748CC4

Tritanopia (blue-blind)

#00A7AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399cc5;
/* rgb */ color: rgb(57, 156, 197);
/* oklch */ color: oklch(65.3% 0.108 229.5);

Tailwind

colors: {
  custom: {
    50: '#81b9d6',
    500: '#399cc5',
    950: '#000000',
  },
}

SCSS

$custom: #399cc5;
$custom-light: #81b9d6;
$custom-dark: #000000;

JSON

{
  "hex": "#399cc5",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 197
  },
  "hsl": {
    "h": 197.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.65294,
    "c": 0.10846,
    "h": 229.5
  },
  "luminance": 0.28678
}

Semantic roles & 50–950 ramp

primary

#399CC5

secondary

#CDA08D

accent

#7549DE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399CC5

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

Preview Lab → · Contrast checker → · Palette generator →