#399EC7#399EC7

#399EC7 is a light, moderate cyan. Relative luminance 0.294; OKLCH L 65.9% C 0.109 H 229.1°. Best body text is #000000 at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#399EC7
RGB	rgb(57, 158, 199)
HSL	hsl(197, 56%, 50%)
HSV	hsv(197, 71%, 78%)
CMYK	cmyk(71.4%, 20.6%, 0%, 22%)
CIE-LAB	lab(61.17, -15.65, -29.47)
CIE-LCH	lch(61.17, 33.37, 242.03°)
OKLab	oklab(65.86% -0.0717 -0.0827)
OKLCH	oklch(65.86% 0.109 229.1)
XYZ	xyz(24.2188, 29.4443, 58.4287)
Luminance	0.2945 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399EC7 #C76239

analogous

#39C7A9 #399EC7 #3957C7

triadic

#399EC7 #C7399E #9EC739

tetradic

#399EC7 #A939C7 #C76239 #57C739

square

#399EC7 #A939C7 #C76239 #57C739

split-complementary

#399EC7 #C73957 #C7A939

monochromatic

#1D5368 #2B7898 #399EC7 #69B5D4 #98CDE2

Accessibility & contrast

On white

3.05

#399EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.89

#399EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399EC7

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399EC7	#FFFFFF	#000000	##000000
##399EC7	1.00	3.05	6.89	6.89
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.89	21.00	1.00	1.00
##000000	6.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#899CC9

Deuteranopia (green-blind)

#758EC6

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #399ec7;
/* rgb */ color: rgb(57, 158, 199);
/* oklch */ color: oklch(65.9% 0.109 229.1);

Tailwind

colors: {
  custom: {
    50: '#81bad8',
    500: '#399ec7',
    950: '#000000',
  },
}

SCSS

$custom: #399ec7;
$custom-light: #81bad8;
$custom-dark: #000000;

JSON

{
  "hex": "#399ec7",
  "rgb": {
    "r": 57,
    "g": 158,
    "b": 199
  },
  "hsl": {
    "h": 197.324,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.65862,
    "c": 0.10943,
    "h": 229.1
  },
  "luminance": 0.29447
}

Semantic roles & 50–950 ramp

primary

#399EC7

secondary

#CEA08E

accent

#7449DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399EC7

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

Preview Lab → · Contrast checker → · Palette generator →