#399CC6#399CC6

#399CC6 is a light, moderate cyan. Relative luminance 0.287; OKLCH L 65.3% C 0.109 H 230.1°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#399CC6
RGB	rgb(57, 156, 198)
HSL	hsl(198, 55%, 50%)
HSV	hsv(198, 71%, 78%)
CMYK	cmyk(71.2%, 21.2%, 0%, 22.4%)
CIE-LAB	lab(60.53, -14.90, -29.90)
CIE-LCH	lch(60.53, 33.40, 243.51°)
OKLab	oklab(65.34% -0.0701 -0.0839)
OKLCH	oklch(65.34% 0.109 230.1)
XYZ	xyz(23.7648, 28.7213, 57.7064)
Luminance	0.2872 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CC6 #C66339

analogous

#39C6A9 #399CC6 #3956C6

triadic

#399CC6 #C6399C #9CC639

tetradic

#399CC6 #A939C6 #C66339 #56C639

square

#399CC6 #A939C6 #C66339 #56C639

split-complementary

#399CC6 #C63956 #C6A939

monochromatic

#1E5167 #2B7796 #399CC6 #69B4D4 #98CCE1

Accessibility & contrast

On white

3.11

#399CC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#399CC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CC6

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CC6	#FFFFFF	#000000	##000000
##399CC6	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)

#879AC8

Deuteranopia (green-blind)

#738CC5

Tritanopia (blue-blind)

#00A8AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399cc6;
/* rgb */ color: rgb(57, 156, 198);
/* oklch */ color: oklch(65.3% 0.109 230.1);

Tailwind

colors: {
  custom: {
    50: '#81b9d7',
    500: '#399cc6',
    950: '#000000',
  },
}

SCSS

$custom: #399cc6;
$custom-light: #81b9d7;
$custom-dark: #000000;

JSON

{
  "hex": "#399cc6",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 198
  },
  "hsl": {
    "h": 197.872,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.6534,
    "c": 0.10932,
    "h": 230.1
  },
  "luminance": 0.28724
}

Semantic roles & 50–950 ramp

primary

#399CC6

secondary

#CDA18E

accent

#7649DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #399CC6

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

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