#3891B2#3891B2

#3891B2 is a mid, moderate cyan. Relative luminance 0.243; OKLCH L 61.8% C 0.097 H 226.3°. Best body text is #000000 at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3891B2
RGB	rgb(56, 145, 178)
HSL	hsl(196, 52%, 46%)
HSV	hsv(196, 69%, 70%)
CMYK	cmyk(68.5%, 18.5%, 0%, 30.2%)
CIE-LAB	lab(56.39, -15.68, -25.00)
CIE-LCH	lch(56.39, 29.51, 237.90°)
OKLab	oklab(61.75% -0.0668 -0.0699)
OKLCH	oklch(61.75% 0.097 226.3)
XYZ	xyz(19.7889, 24.3037, 45.7590)
Luminance	0.2431 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891B2 #B25938

analogous

#38B296 #3891B2 #3854B2

triadic

#3891B2 #B23891 #91B238

tetradic

#3891B2 #9638B2 #B25938 #54B238

square

#3891B2 #9638B2 #B25938 #54B238

split-complementary

#3891B2 #B23854 #B29638

monochromatic

#1B4555 #296B83 #3891B2 #5CADCC #8AC5DA

Accessibility & contrast

On white

3.58

#3891B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.86

#3891B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891B2

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891B2	#FFFFFF	#000000	##000000
##3891B2	1.00	3.58	5.86	5.86
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.86	21.00	1.00	1.00
##000000	5.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB4

Deuteranopia (green-blind)

#6E82B2

Tritanopia (blue-blind)

#009B9C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3891b2;
/* rgb */ color: rgb(56, 145, 178);
/* oklch */ color: oklch(61.8% 0.097 226.3);

Tailwind

colors: {
  custom: {
    50: '#7db1c9',
    500: '#3891b2',
    950: '#000000',
  },
}

SCSS

$custom: #3891b2;
$custom-light: #7db1c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3891b2",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 178
  },
  "hsl": {
    "h": 196.23,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61754,
    "c": 0.09672,
    "h": 226.3
  },
  "luminance": 0.24306
}

Semantic roles & 50–950 ramp

primary

#3891B2

secondary

#C59381

accent

#734CDC

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3891B2

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

Preview Lab → · Contrast checker → · Palette generator →