#3B8BBF#3B8BBF

#3B8BBF is a mid, moderate cyan. Relative luminance 0.232; OKLCH L 61.0% C 0.111 H 240.6°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BBF
RGB	rgb(59, 139, 191)
HSL	hsl(204, 53%, 49%)
HSV	hsv(204, 69%, 75%)
CMYK	cmyk(69.1%, 27.2%, 0%, 25.1%)
CIE-LAB	lab(55.23, -7.49, -34.19)
CIE-LCH	lch(55.23, 35.00, 257.65°)
OKLab	oklab(61.04% -0.0543 -0.0964)
OKLCH	oklch(61.04% 0.111 240.6)
XYZ	xyz(20.4366, 23.1544, 52.6723)
Luminance	0.2316 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BBF #BF6F3B

analogous

#3BBFB1 #3B8BBF #3B49BF

triadic

#3B8BBF #BF3B8B #8BBF3B

tetradic

#3B8BBF #B13BBF #BF6F3B #49BF3B

square

#3B8BBF #B13BBF #BF6F3B #49BF3B

split-complementary

#3B8BBF #BF3B49 #BFB13B

monochromatic

#1E4761 #2D6990 #3B8BBF #67A7D0 #96C2DF

Accessibility & contrast

On white

3.73

#3B8BBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#3B8BBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BBF

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BBF	#FFFFFF	#000000	##000000
##3B8BBF	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738BC1

Deuteranopia (green-blind)

#617FBE

Tritanopia (blue-blind)

#00989D

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3b8bbf;
/* rgb */ color: rgb(59, 139, 191);
/* oklch */ color: oklch(61.0% 0.111 240.6);

Tailwind

colors: {
  custom: {
    50: '#80acd2',
    500: '#3b8bbf',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bbf;
$custom-light: #80acd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bbf",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 191
  },
  "hsl": {
    "h": 203.636,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.61039,
    "c": 0.11065,
    "h": 240.6
  },
  "luminance": 0.23157
}

Semantic roles & 50–950 ramp

primary

#3B8BBF

secondary

#CAA48C

accent

#854CDC

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3B8BBF

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

Preview Lab → · Contrast checker → · Palette generator →