#399DCD#399DCD

#399DCD is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.115 H 233.5°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#399DCD
RGB	rgb(57, 157, 205)
HSL	hsl(199, 60%, 51%)
HSV	hsv(199, 72%, 80%)
CMYK	cmyk(72.2%, 23.4%, 0%, 19.6%)
CIE-LAB	lab(61.12, -13.10, -32.90)
CIE-LCH	lch(61.12, 35.41, 248.29°)
OKLab	oklab(65.91% -0.0686 -0.0925)
OKLCH	oklch(65.91% 0.115 233.5)
XYZ	xyz(24.7594, 29.3887, 62.1135)
Luminance	0.2939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399DCD #CD6939

analogous

#39CDB3 #399DCD #3953CD

triadic

#399DCD #CD399D #9DCD39

tetradic

#399DCD #B339CD #CD6939 #53CD39

square

#399DCD #B339CD #CD6939 #53CD39

split-complementary

#399DCD #CD3953 #CDB339

monochromatic

#1C546F #2879A0 #399DCD #6AB5D9 #9BCDE6

Accessibility & contrast

On white

3.05

#399DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#399DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399DCD

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399DCD	#FFFFFF	#000000	##000000
##399DCD	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859CCF

Deuteranopia (green-blind)

#718DCC

Tritanopia (blue-blind)

#00AAAD

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #399dcd;
/* rgb */ color: rgb(57, 157, 205);
/* oklch */ color: oklch(65.9% 0.115 233.5);

Tailwind

colors: {
  custom: {
    50: '#82b9dc',
    500: '#399dcd',
    950: '#000000',
  },
}

SCSS

$custom: #399dcd;
$custom-light: #82b9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#399dcd",
  "rgb": {
    "r": 57,
    "g": 157,
    "b": 205
  },
  "hsl": {
    "h": 199.459,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.65906,
    "c": 0.11519,
    "h": 233.5
  },
  "luminance": 0.29392
}

Semantic roles & 50–950 ramp

primary

#399DCD

secondary

#D2A590

accent

#7845E3

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399DCD

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

Preview Lab → · Contrast checker → · Palette generator →