#3B8EB0#3B8EB0

#3B8EB0 is a mid, moderate cyan. Relative luminance 0.234; OKLCH L 61.0% C 0.094 H 228.4°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#3B8EB0
RGB	rgb(59, 142, 176)
HSL	hsl(197, 50%, 46%)
HSV	hsv(197, 66%, 69%)
CMYK	cmyk(66.5%, 19.3%, 0%, 31%)
CIE-LAB	lab(55.49, -14.21, -25.24)
CIE-LCH	lch(55.49, 28.96, 240.61°)
OKLab	oklab(61.03% -0.0627 -0.0706)
OKLCH	oklch(61.03% 0.094 228.4)
XYZ	xyz(19.3100, 23.4083, 44.5665)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8EB0 #B05D3B

analogous

#3BB097 #3B8EB0 #3B53B0

triadic

#3B8EB0 #B03B8E #8EB03B

tetradic

#3B8EB0 #973BB0 #B05D3B #53B03B

square

#3B8EB0 #973BB0 #B05D3B #53B03B

split-complementary

#3B8EB0 #B03B53 #B0973B

monochromatic

#1C4454 #2C6982 #3B8EB0 #5FAAC9 #8DC3D9

Accessibility & contrast

On white

3.70

#3B8EB0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#3B8EB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8EB0

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8EB0	#FFFFFF	#000000	##000000
##3B8EB0	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8CB2

Deuteranopia (green-blind)

#6C80B0

Tritanopia (blue-blind)

#009899

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3b8eb0;
/* rgb */ color: rgb(59, 142, 176);
/* oklch */ color: oklch(61.0% 0.094 228.4);

Tailwind

colors: {
  custom: {
    50: '#7eafc7',
    500: '#3b8eb0',
    950: '#000000',
  },
}

SCSS

$custom: #3b8eb0;
$custom-light: #7eafc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8eb0",
  "rgb": {
    "r": 59,
    "g": 142,
    "b": 176
  },
  "hsl": {
    "h": 197.436,
    "s": 49.787,
    "l": 46.078
  },
  "oklch": {
    "l": 0.61034,
    "c": 0.09442,
    "h": 228.4
  },
  "luminance": 0.2341
}

Semantic roles & 50–950 ramp

primary

#3B8EB0

secondary

#C39683

accent

#774ED9

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B8EB0

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

Preview Lab → · Contrast checker → · Palette generator →