#399FD6#399FD6

#399FD6 is a light, vivid cyan. Relative luminance 0.305; OKLCH L 66.8% C 0.123 H 236.7°. Best body text is #000000 at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#399FD6
RGB	rgb(57, 159, 214)
HSL	hsl(201, 66%, 53%)
HSV	hsv(201, 73%, 84%)
CMYK	cmyk(73.4%, 25.7%, 0%, 16.1%)
CIE-LAB	lab(62.10, -11.15, -36.40)
CIE-LCH	lch(62.10, 38.07, 252.97°)
OKLab	oklab(66.81% -0.0675 -0.1026)
OKLCH	oklch(66.81% 0.123 236.7)
XYZ	xyz(26.2183, 30.5181, 68.1141)
Luminance	0.3052 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399FD6 #D67039

analogous

#39D6BE #399FD6 #3950D6

triadic

#399FD6 #D6399F #9FD639

tetradic

#399FD6 #BE39D6 #D67039 #50D639

square

#399FD6 #BE39D6 #D67039 #50D639

split-complementary

#399FD6 #D63950 #D6BE39

monochromatic

#19597B #247EAE #399FD6 #6CB8E0 #9ED0EB

Accessibility & contrast

On white

2.96

#399FD6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.10

#399FD6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #399FD6

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399FD6	#FFFFFF	#000000	##000000
##399FD6	1.00	2.96	7.10	7.10
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.10	21.00	1.00	1.00
##000000	7.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ED9

Deuteranopia (green-blind)

#6F8FD5

Tritanopia (blue-blind)

#00ADB2

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #399fd6;
/* rgb */ color: rgb(57, 159, 214);
/* oklch */ color: oklch(66.8% 0.123 236.7);

Tailwind

colors: {
  custom: {
    50: '#84bbe3',
    500: '#399fd6',
    950: '#000000',
  },
}

SCSS

$custom: #399fd6;
$custom-light: #84bbe3;
$custom-dark: #000000;

JSON

{
  "hex": "#399fd6",
  "rgb": {
    "r": 57,
    "g": 159,
    "b": 214
  },
  "hsl": {
    "h": 201.019,
    "s": 65.69,
    "l": 53.137
  },
  "oklch": {
    "l": 0.66809,
    "c": 0.12282,
    "h": 236.7
  },
  "luminance": 0.30521
}

Semantic roles & 50–950 ramp

primary

#399FD6

secondary

#D7AB94

accent

#7B3FE9

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399FD6

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

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