#3891B7#3891B7

#3891B7 is a mid, moderate cyan. Relative luminance 0.245; OKLCH L 62.0% C 0.101 H 229.9°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#3891B7
RGB	rgb(56, 145, 183)
HSL	hsl(198, 53%, 47%)
HSV	hsv(198, 69%, 72%)
CMYK	cmyk(69.4%, 20.8%, 0%, 28.2%)
CIE-LAB	lab(56.59, -14.03, -27.53)
CIE-LCH	lch(56.59, 30.90, 243.00°)
OKLab	oklab(61.98% -0.065 -0.0772)
OKLCH	oklch(61.98% 0.101 229.9)
XYZ	xyz(20.3001, 24.5082, 48.4513)
Luminance	0.2451 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891B7 #B75E38

analogous

#38B79E #3891B7 #3851B7

triadic

#3891B7 #B73891 #91B738

tetradic

#3891B7 #9E38B7 #B75E38 #51B738

square

#3891B7 #9E38B7 #B75E38 #51B738

split-complementary

#3891B7 #B73851 #B79E38

monochromatic

#1B4759 #2A6C88 #3891B7 #5EACCE #8DC5DC

Accessibility & contrast

On white

3.56

#3891B7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.90

#3891B7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891B7

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891B7	#FFFFFF	#000000	##000000
##3891B7	1.00	3.56	5.90	5.90
#FFFFFF	3.56	1.00	21.00	21.00
#000000	5.90	21.00	1.00	1.00
##000000	5.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8FB9

Deuteranopia (green-blind)

#6C82B6

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3891b7;
/* rgb */ color: rgb(56, 145, 183);
/* oklch */ color: oklch(62.0% 0.101 229.9);

Tailwind

colors: {
  custom: {
    50: '#7eb1cc',
    500: '#3891b7',
    950: '#000000',
  },
}

SCSS

$custom: #3891b7;
$custom-light: #7eb1cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3891b7",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 183
  },
  "hsl": {
    "h": 197.953,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.61983,
    "c": 0.10089,
    "h": 229.9
  },
  "luminance": 0.2451
}

Semantic roles & 50–950 ramp

primary

#3891B7

secondary

#C79884

accent

#774BDD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3891B7

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

Preview Lab → · Contrast checker → · Palette generator →