#3999CA#3999CA

#3999CA is a light, moderate cyan. Relative luminance 0.279; OKLCH L 64.8% C 0.114 H 234.9°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#3999CA
RGB	rgb(57, 153, 202)
HSL	hsl(200, 58%, 51%)
HSV	hsv(200, 72%, 79%)
CMYK	cmyk(71.8%, 24.3%, 0%, 20.8%)
CIE-LAB	lab(59.81, -11.91, -33.26)
CIE-LCH	lch(59.81, 35.33, 250.30°)
OKLab	oklab(64.82% -0.0657 -0.0936)
OKLCH	oklch(64.82% 0.114 234.9)
XYZ	xyz(23.7350, 27.9139, 60.0027)
Luminance	0.2792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3999CA #CA6A39

analogous

#39CAB2 #3999CA #3950CA

triadic

#3999CA #CA3999 #99CA39

tetradic

#3999CA #B239CA #CA6A39 #50CA39

square

#3999CA #B239CA #CA6A39 #50CA39

split-complementary

#3999CA #CA3950 #CAB239

monochromatic

#1D516C #2A759C #3999CA #69B2D7 #9ACBE4

Accessibility & contrast

On white

3.19

#3999CA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#3999CA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3999CA

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3999CA	#FFFFFF	#000000	##000000
##3999CA	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8198CC

Deuteranopia (green-blind)

#6E8AC9

Tritanopia (blue-blind)

#00A6AA

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #3999ca;
/* rgb */ color: rgb(57, 153, 202);
/* oklch */ color: oklch(64.8% 0.114 234.9);

Tailwind

colors: {
  custom: {
    50: '#82b7da',
    500: '#3999ca',
    950: '#000000',
  },
}

SCSS

$custom: #3999ca;
$custom-light: #82b7da;
$custom-dark: #000000;

JSON

{
  "hex": "#3999ca",
  "rgb": {
    "r": 57,
    "g": 153,
    "b": 202
  },
  "hsl": {
    "h": 200.276,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.64818,
    "c": 0.11438,
    "h": 234.9
  },
  "luminance": 0.27917
}

Semantic roles & 50–950 ramp

primary

#3999CA

secondary

#D0A58F

accent

#7B47E1

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3999CA

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

Preview Lab → · Contrast checker → · Palette generator →