#3F9DD4#3F9DD4

#3F9DD4 is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.4% C 0.120 H 238.2°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#3F9DD4
RGB	rgb(63, 157, 212)
HSL	hsl(202, 63%, 54%)
HSV	hsv(202, 70%, 83%)
CMYK	cmyk(70.3%, 25.9%, 0%, 16.9%)
CIE-LAB	lab(61.59, -9.91, -36.07)
CIE-LCH	lch(61.59, 37.41, 254.64°)
OKLab	oklab(66.42% -0.063 -0.1016)
OKLCH	oklch(66.42% 0.12 238.2)
XYZ	xyz(25.9859, 29.9213, 66.6805)
Luminance	0.2992 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9DD4 #D4763F

analogous

#3FD4C1 #3F9DD4 #3F53D4

triadic

#3F9DD4 #D43F9D #9DD43F

tetradic

#3F9DD4 #C13FD4 #D4763F #53D43F

square

#3F9DD4 #C13FD4 #D4763F #53D43F

split-complementary

#3F9DD4 #D43F53 #D4C13F

monochromatic

#1C597D #277DAF #3F9DD4 #71B7DF #A3D0EA

Accessibility & contrast

On white

3.01

#3F9DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#3F9DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9DD4

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9DD4	#FFFFFF	#000000	##000000
##3F9DD4	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839DD7

Deuteranopia (green-blind)

#6F8ED3

Tritanopia (blue-blind)

#00ABB0

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #3f9dd4;
/* rgb */ color: rgb(63, 157, 212);
/* oklch */ color: oklch(66.4% 0.120 238.2);

Tailwind

colors: {
  custom: {
    50: '#86b9e1',
    500: '#3f9dd4',
    950: '#000000',
  },
}

SCSS

$custom: #3f9dd4;
$custom-light: #86b9e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9dd4",
  "rgb": {
    "r": 63,
    "g": 157,
    "b": 212
  },
  "hsl": {
    "h": 202.148,
    "s": 63.404,
    "l": 53.922
  },
  "oklch": {
    "l": 0.66419,
    "c": 0.11961,
    "h": 238.2
  },
  "luminance": 0.29924
}

Semantic roles & 50–950 ramp

primary

#3F9DD4

secondary

#D7AF98

accent

#7E41E6

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3F9DD4

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

Preview Lab → · Contrast checker → · Palette generator →