#3891BC#3891BC

#3891BC is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.2% C 0.105 H 233.2°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#3891BC
RGB	rgb(56, 145, 188)
HSL	hsl(200, 54%, 48%)
HSV	hsv(200, 70%, 74%)
CMYK	cmyk(70.2%, 22.9%, 0%, 26.3%)
CIE-LAB	lab(56.80, -12.35, -30.05)
CIE-LCH	lch(56.80, 32.48, 247.66°)
OKLab	oklab(62.22% -0.0632 -0.0844)
OKLCH	oklch(62.22% 0.105 233.2)
XYZ	xyz(20.8298, 24.7201, 51.2409)
Luminance	0.2472 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891BC #BC6338

analogous

#38BCA5 #3891BC #384FBC

triadic

#3891BC #BC3891 #91BC38

tetradic

#3891BC #A538BC #BC6338 #4FBC38

square

#3891BC #A538BC #BC6338 #4FBC38

split-complementary

#3891BC #BC384F #BCA538

monochromatic

#1C485E #2A6D8D #3891BC #61ACD0 #90C5DE

Accessibility & contrast

On white

3.53

#3891BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#3891BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891BC

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891BC	#FFFFFF	#000000	##000000
##3891BC	1.00	3.53	5.94	5.94
#FFFFFF	3.53	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C90BE

Deuteranopia (green-blind)

#6A83BB

Tritanopia (blue-blind)

#009C9F

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3891bc;
/* rgb */ color: rgb(56, 145, 188);
/* oklch */ color: oklch(62.2% 0.105 233.2);

Tailwind

colors: {
  custom: {
    50: '#7fb1d0',
    500: '#3891bc',
    950: '#000000',
  },
}

SCSS

$custom: #3891bc;
$custom-light: #7fb1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3891bc",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 188
  },
  "hsl": {
    "h": 199.545,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.62218,
    "c": 0.10542,
    "h": 233.2
  },
  "luminance": 0.24722
}

Semantic roles & 50–950 ramp

primary

#3891BC

secondary

#C99C87

accent

#7A4ADD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3891BC

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

Preview Lab → · Contrast checker → · Palette generator →