#3F9ACD#3F9ACD

#3F9ACD is a light, moderate cyan. Relative luminance 0.286; OKLCH L 65.4% C 0.114 H 236.9°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3F9ACD
RGB	rgb(63, 154, 205)
HSL	hsl(202, 59%, 53%)
HSV	hsv(202, 69%, 80%)
CMYK	cmyk(69.3%, 24.9%, 0%, 19.6%)
CIE-LAB	lab(60.40, -10.59, -34.01)
CIE-LCH	lch(60.40, 35.62, 252.70°)
OKLab	oklab(65.38% -0.0624 -0.0957)
OKLCH	oklch(65.38% 0.114 236.9)
XYZ	xyz(24.6206, 28.5730, 61.9634)
Luminance	0.2858 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9ACD #CD723F

analogous

#3FCDB9 #3F9ACD #3F53CD

triadic

#3F9ACD #CD3F9A #9ACD3F

tetradic

#3F9ACD #B93FCD #CD723F #53CD3F

square

#3F9ACD #B93FCD #CD723F #53CD3F

split-complementary

#3F9ACD #CD3F53 #CDB93F

monochromatic

#1E5574 #2B78A4 #3F9ACD #70B4DA #A0CDE6

Accessibility & contrast

On white

3.13

#3F9ACD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#3F9ACD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9ACD

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9ACD	#FFFFFF	#000000	##000000
##3F9ACD	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8299CF

Deuteranopia (green-blind)

#6E8BCC

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3f9acd;
/* rgb */ color: rgb(63, 154, 205);
/* oklch */ color: oklch(65.4% 0.114 236.9);

Tailwind

colors: {
  custom: {
    50: '#84b7dc',
    500: '#3f9acd',
    950: '#000000',
  },
}

SCSS

$custom: #3f9acd;
$custom-light: #84b7dc;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9acd",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 205
  },
  "hsl": {
    "h": 201.549,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.65379,
    "c": 0.11425,
    "h": 236.9
  },
  "luminance": 0.28576
}

Semantic roles & 50–950 ramp

primary

#3F9ACD

secondary

#D3AB95

accent

#7E46E2

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9ACD

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

Preview Lab → · Contrast checker → · Palette generator →