#399EC3#399EC3

#399EC3 is a light, moderate cyan. Relative luminance 0.293; OKLCH L 65.7% C 0.106 H 226.4°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#399EC3
RGB	rgb(57, 158, 195)
HSL	hsl(196, 55%, 49%)
HSV	hsv(196, 71%, 76%)
CMYK	cmyk(70.8%, 19%, 0%, 23.5%)
CIE-LAB	lab(61.01, -16.97, -27.48)
CIE-LCH	lch(61.01, 32.30, 238.30°)
OKLab	oklab(65.68% -0.0732 -0.0769)
OKLCH	oklch(65.68% 0.106 226.4)
XYZ	xyz(23.7605, 29.2610, 56.0149)
Luminance	0.2926 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC3 #C35E39

analogous

#39C3A3 #399EC3 #3959C3

triadic

#399EC3 #C3399E #9EC339

tetradic

#399EC3 #A339C3 #C35E39 #59C339

square

#399EC3 #A339C3 #C35E39 #59C339

split-complementary

#399EC3 #C33959 #C3A339

monochromatic

#1D5164 #2B7894 #399EC3 #67B6D2 #96CCE0

Accessibility & contrast

On white

3.06

#399EC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#399EC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC3

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC3	#FFFFFF	#000000	##000000
##399EC3	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9BC5

Deuteranopia (green-blind)

#778DC3

Tritanopia (blue-blind)

#00A9AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399ec3;
/* rgb */ color: rgb(57, 158, 195);
/* oklch */ color: oklch(65.7% 0.106 226.4);

Tailwind

colors: {
  custom: {
    50: '#81bad5',
    500: '#399ec3',
    950: '#000000',
  },
}

SCSS

$custom: #399ec3;
$custom-light: #81bad5;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec3",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 195
  },
  "hsl": {
    "h": 196.087,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.65681,
    "c": 0.10619,
    "h": 226.4
  },
  "luminance": 0.29264
}

Semantic roles & 50–950 ramp

primary

#399EC3

secondary

#CC9D8C

accent

#714ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399EC3

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

Preview Lab → · Contrast checker → · Palette generator →