#399BCD#399BCD

#399BCD is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.4% C 0.116 H 235.0°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#399BCD
RGB	rgb(57, 155, 205)
HSL	hsl(200, 60%, 51%)
HSV	hsv(200, 72%, 80%)
CMYK	cmyk(72.2%, 24.4%, 0%, 19.6%)
CIE-LAB	lab(60.53, -12.00, -33.82)
CIE-LCH	lch(60.53, 35.89, 250.47°)
OKLab	oklab(65.43% -0.0666 -0.0952)
OKLCH	oklch(65.43% 0.116 235)
XYZ	xyz(24.4238, 28.7175, 62.0016)
Luminance	0.2872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399BCD #CD6B39

analogous

#39CDB5 #399BCD #3951CD

triadic

#399BCD #CD399B #9BCD39

tetradic

#399BCD #B539CD #CD6B39 #51CD39

square

#399BCD #B539CD #CD6B39 #51CD39

split-complementary

#399BCD #CD3951 #CDB539

monochromatic

#1C536F #2878A0 #399BCD #6AB4D9 #9BCCE6

Accessibility & contrast

On white

3.11

#399BCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#399BCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399BCD

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399BCD	#FFFFFF	#000000	##000000
##399BCD	1.00	3.11	6.74	6.74
#FFFFFF	3.11	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)

#839ACF

Deuteranopia (green-blind)

#6F8CCC

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399bcd;
/* rgb */ color: rgb(57, 155, 205);
/* oklch */ color: oklch(65.4% 0.116 235.0);

Tailwind

colors: {
  custom: {
    50: '#82b8dc',
    500: '#399bcd',
    950: '#000000',
  },
}

SCSS

$custom: #399bcd;
$custom-light: #82b8dc;
$custom-dark: #000000;

JSON

{
  "hex": "#399bcd",
  "rgb": {
    "r": 57,
    "g": 155,
    "b": 205
  },
  "hsl": {
    "h": 200.27,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65434,
    "c": 0.11622,
    "h": 235
  },
  "luminance": 0.2872
}

Semantic roles & 50–950 ramp

primary

#399BCD

secondary

#D2A690

accent

#7A45E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399BCD

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

Preview Lab → · Contrast checker → · Palette generator →