#3B8BB1#3B8BB1

#3B8BB1 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.4% C 0.096 H 232.1°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#3B8BB1
RGB	rgb(59, 139, 177)
HSL	hsl(199, 50%, 46%)
HSV	hsv(199, 67%, 69%)
CMYK	cmyk(66.7%, 21.5%, 0%, 30.6%)
CIE-LAB	lab(54.62, -12.22, -27.15)
CIE-LCH	lch(54.62, 29.77, 245.77°)
OKLab	oklab(60.36% -0.0592 -0.0761)
OKLCH	oklch(60.36% 0.096 232.1)
XYZ	xyz(18.9689, 22.5674, 44.9427)
Luminance	0.2257 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B8BB1 #B1613B

analogous

#3BB19C #3B8BB1 #3B50B1

triadic

#3B8BB1 #B13B8B #8BB13B

tetradic

#3B8BB1 #9C3BB1 #B1613B #50B13B

square

#3B8BB1 #9C3BB1 #B1613B #50B13B

split-complementary

#3B8BB1 #B13B50 #B19C3B

monochromatic

#1C4355 #2C6783 #3B8BB1 #5FA8CA #8DC1D9

Accessibility & contrast

On white

3.81

#3B8BB1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#3B8BB1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8BB1

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B8BB1	#FFFFFF	#000000	##000000
##3B8BB1	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7889B3

Deuteranopia (green-blind)

#687DB0

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3b8bb1;
/* rgb */ color: rgb(59, 139, 177);
/* oklch */ color: oklch(60.4% 0.096 232.1);

Tailwind

colors: {
  custom: {
    50: '#7eacc8',
    500: '#3b8bb1',
    950: '#000000',
  },
}

SCSS

$custom: #3b8bb1;
$custom-light: #7eacc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3b8bb1",
  "rgb": {
    "r": 59,
    "g": 139,
    "b": 177
  },
  "hsl": {
    "h": 199.322,
    "s": 50,
    "l": 46.275
  },
  "oklch": {
    "l": 0.60356,
    "c": 0.09637,
    "h": 232.1
  },
  "luminance": 0.22569
}

Semantic roles & 50–950 ramp

primary

#3B8BB1

secondary

#C49984

accent

#7B4EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3B8BB1

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

Preview Lab → · Contrast checker → · Palette generator →