#399ED6#399ED6

#399ED6 is a light, vivid cyan. Relative luminance 0.302; OKLCH L 66.6% C 0.123 H 237.4°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#399ED6
RGB	rgb(57, 158, 214)
HSL	hsl(201, 66%, 53%)
HSV	hsv(201, 73%, 84%)
CMYK	cmyk(73.4%, 26.2%, 0%, 16.1%)
CIE-LAB	lab(61.81, -10.60, -36.85)
CIE-LCH	lch(61.81, 38.35, 253.96°)
OKLab	oklab(66.58% -0.0665 -0.104)
OKLCH	oklch(66.58% 0.123 237.4)
XYZ	xyz(26.0470, 30.1756, 68.0570)
Luminance	0.3018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399ED6 #D67139

analogous

#39D6BF #399ED6 #3950D6

triadic

#399ED6 #D6399E #9ED639

tetradic

#399ED6 #BF39D6 #D67139 #50D639

square

#399ED6 #BF39D6 #D67139 #50D639

split-complementary

#399ED6 #D63950 #D6BF39

monochromatic

#19587B #247DAE #399ED6 #6CB7E0 #9ED0EB

Accessibility & contrast

On white

2.98

#399ED6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#399ED6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #399ED6

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399ED6	#FFFFFF	#000000	##000000
##399ED6	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839ED9

Deuteranopia (green-blind)

#6E8FD5

Tritanopia (blue-blind)

#00ACB1

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #399ed6;
/* rgb */ color: rgb(57, 158, 214);
/* oklch */ color: oklch(66.6% 0.123 237.4);

Tailwind

colors: {
  custom: {
    50: '#84bae3',
    500: '#399ed6',
    950: '#000000',
  },
}

SCSS

$custom: #399ed6;
$custom-light: #84bae3;
$custom-dark: #000000;

JSON

{
  "hex": "#399ed6",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 214
  },
  "hsl": {
    "h": 201.401,
    "s": 65.69,
    "l": 53.137
  },
  "oklch": {
    "l": 0.66576,
    "c": 0.12342,
    "h": 237.4
  },
  "luminance": 0.30179
}

Semantic roles & 50–950 ramp

primary

#399ED6

secondary

#D7AC94

accent

#7C3FE9

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399ED6

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

Preview Lab → · Contrast checker → · Palette generator →