#3B9DCF#3B9DCF

#3B9DCF is a light, moderate cyan. Relative luminance 0.295; OKLCH L 66.1% C 0.116 H 234.9°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#3B9DCF
RGB	rgb(59, 157, 207)
HSL	hsl(200, 61%, 52%)
HSV	hsv(200, 71%, 81%)
CMYK	cmyk(71.5%, 24.2%, 0%, 18.8%)
CIE-LAB	lab(61.26, -12.15, -33.80)
CIE-LCH	lch(61.26, 35.92, 250.22°)
OKLab	oklab(66.06% -0.0669 -0.0951)
OKLCH	oklch(66.06% 0.116 234.9)
XYZ	xyz(25.1186, 29.5459, 63.3985)
Luminance	0.2955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9DCF #CF6D3B

analogous

#3BCFB7 #3B9DCF #3B53CF

triadic

#3B9DCF #CF3B9D #9DCF3B

tetradic

#3B9DCF #B73BCF #CF6D3B #53CF3B

square

#3B9DCF #B73BCF #CF6D3B #53CF3B

split-complementary

#3B9DCF #CF3B53 #CFB73B

monochromatic

#1C5673 #287BA5 #3B9DCF #6CB6DB #9DCEE7

Accessibility & contrast

On white

3.04

#3B9DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#3B9DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9DCF

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9DCF	#FFFFFF	#000000	##000000
##3B9DCF	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#859CD1

Deuteranopia (green-blind)

#718ECE

Tritanopia (blue-blind)

#00AAAE

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #3b9dcf;
/* rgb */ color: rgb(59, 157, 207);
/* oklch */ color: oklch(66.1% 0.116 234.9);

Tailwind

colors: {
  custom: {
    50: '#83b9de',
    500: '#3b9dcf',
    950: '#000000',
  },
}

SCSS

$custom: #3b9dcf;
$custom-light: #83b9de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9dcf",
  "rgb": {
    "r": 59,
    "g": 157,
    "b": 207
  },
  "hsl": {
    "h": 200.27,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.66058,
    "c": 0.11627,
    "h": 234.9
  },
  "luminance": 0.29549
}

Semantic roles & 50–950 ramp

primary

#3B9DCF

secondary

#D3A893

accent

#7A44E4

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1115

muted

#7D8083

Preview Lab

Preview with #3B9DCF

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

Preview Lab → · Contrast checker → · Palette generator →