#399CCA#399CCA

#399CCA is a light, moderate cyan. Relative luminance 0.289; OKLCH L 65.5% C 0.113 H 232.5°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#399CCA
RGB	rgb(57, 156, 202)
HSL	hsl(199, 58%, 51%)
HSV	hsv(199, 72%, 79%)
CMYK	cmyk(71.8%, 22.8%, 0%, 20.8%)
CIE-LAB	lab(60.70, -13.56, -31.88)
CIE-LCH	lch(60.70, 34.64, 246.96°)
OKLab	oklab(65.53% -0.0687 -0.0896)
OKLCH	oklch(65.53% 0.113 232.5)
XYZ	xyz(24.2322, 28.9083, 60.1684)
Luminance	0.2891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#399CCA #CA6739

analogous

#39CAAF #399CCA #3954CA

triadic

#399CCA #CA399C #9CCA39

tetradic

#399CCA #AF39CA #CA6739 #54CA39

square

#399CCA #AF39CA #CA6739 #54CA39

split-complementary

#399CCA #CA3954 #CAAF39

monochromatic

#1D536C #2A789C #399CCA #69B4D7 #9ACCE4

Accessibility & contrast

On white

3.10

#399CCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#399CCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #399CCA

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##399CCA	#FFFFFF	#000000	##000000
##399CCA	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859ACC

Deuteranopia (green-blind)

#718CC9

Tritanopia (blue-blind)

#00A8AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #399cca;
/* rgb */ color: rgb(57, 156, 202);
/* oklch */ color: oklch(65.5% 0.113 232.5);

Tailwind

colors: {
  custom: {
    50: '#82b9da',
    500: '#399cca',
    950: '#000000',
  },
}

SCSS

$custom: #399cca;
$custom-light: #82b9da;
$custom-dark: #000000;

JSON

{
  "hex": "#399cca",
  "rgb": {
    "r": 57,
    "g": 156,
    "b": 202
  },
  "hsl": {
    "h": 199.034,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65527,
    "c": 0.11288,
    "h": 232.5
  },
  "luminance": 0.28911
}

Semantic roles & 50–950 ramp

primary

#399CCA

secondary

#D0A48F

accent

#7847E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #399CCA

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

Preview Lab → · Contrast checker → · Palette generator →