#3E91B8#3E91B8

#3E91B8 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.099 H 231.8°. Best body text is #000000 at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#3E91B8
RGB	rgb(62, 145, 184)
HSL	hsl(199, 50%, 48%)
HSV	hsv(199, 66%, 72%)
CMYK	cmyk(66.3%, 21.2%, 0%, 27.8%)
CIE-LAB	lab(56.81, -12.74, -27.74)
CIE-LCH	lch(56.81, 30.53, 245.33°)
OKLab	oklab(62.22% -0.0611 -0.0777)
OKLCH	oklch(62.22% 0.099 231.8)
XYZ	xyz(20.7603, 24.7334, 49.0180)
Luminance	0.2474 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E91B8 #B8653E

analogous

#3EB8A2 #3E91B8 #3E54B8

triadic

#3E91B8 #B83E91 #91B83E

tetradic

#3E91B8 #A23EB8 #B8653E #54B83E

square

#3E91B8 #A23EB8 #B8653E #54B83E

split-complementary

#3E91B8 #B83E54 #B8A23E

monochromatic

#1F495C #2F6D8A #3E91B8 #67ACCC #95C5DB

Accessibility & contrast

On white

3.53

#3E91B8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.95

#3E91B8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3E91B8

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E91B8	#FFFFFF	#000000	##000000
##3E91B8	1.00	3.53	5.95	5.95
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.95	21.00	1.00	1.00
##000000	5.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8FBA

Deuteranopia (green-blind)

#6D83B7

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3e91b8;
/* rgb */ color: rgb(62, 145, 184);
/* oklch */ color: oklch(62.2% 0.099 231.8);

Tailwind

colors: {
  custom: {
    50: '#81b1cd',
    500: '#3e91b8',
    950: '#000000',
  },
}

SCSS

$custom: #3e91b8;
$custom-light: #81b1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3e91b8",
  "rgb": {
    "r": 62,
    "g": 145,
    "b": 184
  },
  "hsl": {
    "h": 199.18,
    "s": 49.593,
    "l": 48.235
  },
  "oklch": {
    "l": 0.62224,
    "c": 0.09887,
    "h": 231.8
  },
  "luminance": 0.24736
}

Semantic roles & 50–950 ramp

primary

#3E91B8

secondary

#C79E8B

accent

#7B4FD9

background

#F8FAFC

surface

#F0F5F9

border

#CBCFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3E91B8

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

Preview Lab → · Contrast checker → · Palette generator →