#3891AB#3891AB

#3891AB is a mid, moderate cyan. Relative luminance 0.240; OKLCH L 61.4% C 0.092 H 220.7°. Best body text is #000000 at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3891AB
RGB	rgb(56, 145, 171)
HSL	hsl(194, 51%, 45%)
HSV	hsv(194, 67%, 67%)
CMYK	cmyk(67.3%, 15.2%, 0%, 32.9%)
CIE-LAB	lab(56.12, -17.97, -21.42)
CIE-LCH	lch(56.12, 27.96, 230.02°)
OKLab	oklab(61.45% -0.0695 -0.0597)
OKLCH	oklch(61.45% 0.092 220.7)
XYZ	xyz(19.1040, 24.0297, 42.1516)
Luminance	0.2403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891AB #AB5238

analogous

#38AB8C #3891AB #3858AB

triadic

#3891AB #AB3891 #91AB38

tetradic

#3891AB #8C38AB #AB5238 #58AB38

square

#3891AB #8C38AB #AB5238 #58AB38

split-complementary

#3891AB #AB3858 #AB8C38

monochromatic

#1A434F #296A7D #3891AB #58AFC8 #86C5D7

Accessibility & contrast

On white

3.62

#3891AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.81

#3891AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891AB

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891AB	#FFFFFF	#000000	##000000
##3891AB	1.00	3.62	5.81	5.81
#FFFFFF	3.62	1.00	21.00	21.00
#000000	5.81	21.00	1.00	1.00
##000000	5.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818DAC

Deuteranopia (green-blind)

#7181AB

Tritanopia (blue-blind)

#009999

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #3891ab;
/* rgb */ color: rgb(56, 145, 171);
/* oklch */ color: oklch(61.4% 0.092 220.7);

Tailwind

colors: {
  custom: {
    50: '#7cb1c4',
    500: '#3891ab',
    950: '#000000',
  },
}

SCSS

$custom: #3891ab;
$custom-light: #7cb1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3891ab",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 171
  },
  "hsl": {
    "h": 193.565,
    "s": 50.661,
    "l": 44.51
  },
  "oklch": {
    "l": 0.61445,
    "c": 0.09168,
    "h": 220.7
  },
  "luminance": 0.24032
}

Semantic roles & 50–950 ramp

primary

#3891AB

secondary

#C18D7D

accent

#6D4EDA

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3891AB

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

Preview Lab → · Contrast checker → · Palette generator →