#399EC8#399EC8

#399EC8 is a light, moderate cyan. Relative luminance 0.295; OKLCH L 65.9% C 0.110 H 229.7°. Best body text is #000000 at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#399EC8
RGB	rgb(57, 158, 200)
HSL	hsl(198, 57%, 50%)
HSV	hsv(198, 72%, 78%)
CMYK	cmyk(71.5%, 21%, 0%, 21.6%)
CIE-LAB	lab(61.21, -15.32, -29.97)
CIE-LCH	lch(61.21, 33.65, 242.93°)
OKLab	oklab(65.91% -0.0713 -0.0841)
OKLCH	oklch(65.91% 0.11 229.7)
XYZ	xyz(24.3353, 29.4909, 59.0422)
Luminance	0.2949 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC8 #C86339

analogous

#39C8AA #399EC8 #3957C8

triadic

#399EC8 #C8399E #9EC839

tetradic

#399EC8 #AA39C8 #C86339 #57C839

square

#399EC8 #AA39C8 #C86339 #57C839

split-complementary

#399EC8 #C83957 #C8AA39

monochromatic

#1D5369 #2B7999 #399EC8 #69B5D5 #99CDE3

Accessibility & contrast

On white

3.04

#399EC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.90

#399EC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC8

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC8	#FFFFFF	#000000	##000000
##399EC8	1.00	3.04	6.90	6.90
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.90	21.00	1.00	1.00
##000000	6.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889CCA

Deuteranopia (green-blind)

#758EC7

Tritanopia (blue-blind)

#00AAAC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399ec8;
/* rgb */ color: rgb(57, 158, 200);
/* oklch */ color: oklch(65.9% 0.110 229.7);

Tailwind

colors: {
  custom: {
    50: '#82bad9',
    500: '#399ec8',
    950: '#000000',
  },
}

SCSS

$custom: #399ec8;
$custom-light: #82bad9;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec8",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 200
  },
  "hsl": {
    "h": 197.622,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.65908,
    "c": 0.11028,
    "h": 229.7
  },
  "luminance": 0.29494
}

Semantic roles & 50–950 ramp

primary

#399EC8

secondary

#CEA18F

accent

#7548E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399EC8

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

Preview Lab → · Contrast checker → · Palette generator →