#3B9BC8#3B9BC8

#3B9BC8 is a light, moderate cyan. Relative luminance 0.285; OKLCH L 65.3% C 0.111 H 232.5°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#3B9BC8
RGB	rgb(59, 155, 200)
HSL	hsl(199, 56%, 51%)
HSV	hsv(199, 71%, 78%)
CMYK	cmyk(70.5%, 22.5%, 0%, 21.6%)
CIE-LAB	lab(60.37, -13.40, -31.26)
CIE-LCH	lch(60.37, 34.01, 246.79°)
OKLab	oklab(65.25% -0.0673 -0.0878)
OKLCH	oklch(65.25% 0.111 232.5)
XYZ	xyz(23.9462, 28.5399, 58.8791)
Luminance	0.2854 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B9BC8 #C8683B

analogous

#3BC8AE #3B9BC8 #3B54C8

triadic

#3B9BC8 #C83B9B #9BC83B

tetradic

#3B9BC8 #AE3BC8 #C8683B #54C83B

square

#3B9BC8 #AE3BC8 #C8683B #54C83B

split-complementary

#3B9BC8 #C83B54 #C8AE3B

monochromatic

#1E526B #2B779A #3B9BC8 #6BB3D5 #9BCCE3

Accessibility & contrast

On white

3.13

#3B9BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#3B9BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BC8

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B9BC8	#FFFFFF	#000000	##000000
##3B9BC8	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8599CA

Deuteranopia (green-blind)

#718BC7

Tritanopia (blue-blind)

#00A7AA

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #3b9bc8;
/* rgb */ color: rgb(59, 155, 200);
/* oklch */ color: oklch(65.3% 0.111 232.5);

Tailwind

colors: {
  custom: {
    50: '#82b8d9',
    500: '#3b9bc8',
    950: '#000000',
  },
}

SCSS

$custom: #3b9bc8;
$custom-light: #82b8d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b9bc8",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 200
  },
  "hsl": {
    "h": 199.149,
    "s": 56.175,
    "l": 50.784
  },
  "oklch": {
    "l": 0.65254,
    "c": 0.11066,
    "h": 232.5
  },
  "luminance": 0.28543
}

Semantic roles & 50–950 ramp

primary

#3B9BC8

secondary

#CFA490

accent

#7948DF

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1114

muted

#7D8083

Preview Lab

Preview with #3B9BC8

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

Preview Lab → · Contrast checker → · Palette generator →