#3F9AC8#3F9AC8

#3F9AC8 is a light, moderate cyan. Relative luminance 0.283; OKLCH L 65.1% C 0.109 H 234.1°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F9AC8
RGB	rgb(63, 154, 200)
HSL	hsl(200, 55%, 52%)
HSV	hsv(200, 69%, 78%)
CMYK	cmyk(68.5%, 23%, 0%, 21.6%)
CIE-LAB	lab(60.19, -12.26, -31.54)
CIE-LCH	lch(60.19, 33.84, 248.75°)
OKLab	oklab(65.14% -0.0641 -0.0886)
OKLCH	oklch(65.14% 0.109 234.1)
XYZ	xyz(24.0267, 28.3355, 58.8354)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9AC8 #C86D3F

analogous

#3FC8B2 #3F9AC8 #3F56C8

triadic

#3F9AC8 #C83F9A #9AC83F

tetradic

#3F9AC8 #B23FC8 #C86D3F #56C83F

square

#3F9AC8 #B23FC8 #C86D3F #56C83F

split-complementary

#3F9AC8 #C83F56 #C8B23F

monochromatic

#1F536D #2D779D #3F9AC8 #6FB3D6 #9ECCE3

Accessibility & contrast

On white

3.15

#3F9AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#3F9AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9AC8

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9AC8	#FFFFFF	#000000	##000000
##3F9AC8	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8499CA

Deuteranopia (green-blind)

#718BC7

Tritanopia (blue-blind)

#00A6A9

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #3f9ac8;
/* rgb */ color: rgb(63, 154, 200);
/* oklch */ color: oklch(65.1% 0.109 234.1);

Tailwind

colors: {
  custom: {
    50: '#84b7d9',
    500: '#3f9ac8',
    950: '#000000',
  },
}

SCSS

$custom: #3f9ac8;
$custom-light: #84b7d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9ac8",
  "rgb": {
    "r": 63,
    "g": 154,
    "b": 200
  },
  "hsl": {
    "h": 200.146,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.6514,
    "c": 0.10934,
    "h": 234.1
  },
  "luminance": 0.28338
}

Semantic roles & 50–950 ramp

primary

#3F9AC8

secondary

#D0A893

accent

#7B49DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3F9AC8

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

Preview Lab → · Contrast checker → · Palette generator →