#3891B0#3891B0

#3891B0 is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.7% C 0.095 H 224.7°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3891B0
RGB	rgb(56, 145, 176)
HSL	hsl(196, 52%, 45%)
HSV	hsv(196, 68%, 69%)
CMYK	cmyk(68.2%, 17.6%, 0%, 31%)
CIE-LAB	lab(56.31, -16.34, -23.98)
CIE-LCH	lch(56.31, 29.02, 235.73°)
OKLab	oklab(61.67% -0.0676 -0.067)
OKLCH	oklch(61.67% 0.095 224.7)
XYZ	xyz(19.5896, 24.2240, 44.7092)
Luminance	0.2423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891B0 #B05738

analogous

#38B093 #3891B0 #3855B0

triadic

#3891B0 #B03891 #91B038

tetradic

#3891B0 #9338B0 #B05738 #55B038

square

#3891B0 #9338B0 #B05738 #55B038

split-complementary

#3891B0 #B03855 #B09338

monochromatic

#1A4453 #296B82 #3891B0 #5BAECB #89C5D9

Accessibility & contrast

On white

3.59

#3891B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.85

#3891B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891B0

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891B0	#FFFFFF	#000000	##000000
##3891B0	1.00	3.59	5.85	5.85
#FFFFFF	3.59	1.00	21.00	21.00
#000000	5.85	21.00	1.00	1.00
##000000	5.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808EB2

Deuteranopia (green-blind)

#6F82B0

Tritanopia (blue-blind)

#009A9B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3891b0;
/* rgb */ color: rgb(56, 145, 176);
/* oklch */ color: oklch(61.7% 0.095 224.7);

Tailwind

colors: {
  custom: {
    50: '#7db1c7',
    500: '#3891b0',
    950: '#000000',
  },
}

SCSS

$custom: #3891b0;
$custom-light: #7db1c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3891b0",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 176
  },
  "hsl": {
    "h": 195.5,
    "s": 51.724,
    "l": 45.49
  },
  "oklch": {
    "l": 0.61665,
    "c": 0.09518,
    "h": 224.7
  },
  "luminance": 0.24226
}

Semantic roles & 50–950 ramp

primary

#3891B0

secondary

#C49280

accent

#714DDB

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3891B0

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

Preview Lab → · Contrast checker → · Palette generator →