#3891B9#3891B9

#3891B9 is a light, moderate cyan. Relative luminance 0.246; OKLCH L 62.1% C 0.103 H 231.3°. Best body text is #000000 at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#3891B9
RGB	rgb(56, 145, 185)
HSL	hsl(199, 54%, 47%)
HSV	hsv(199, 70%, 73%)
CMYK	cmyk(69.7%, 21.6%, 0%, 27.5%)
CIE-LAB	lab(56.68, -13.36, -28.54)
CIE-LCH	lch(56.68, 31.51, 244.92°)
OKLab	oklab(62.08% -0.0642 -0.0801)
OKLCH	oklch(62.08% 0.103 231.3)
XYZ	xyz(20.5098, 24.5921, 49.5554)
Luminance	0.2459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3891B9 #B96038

analogous

#38B9A1 #3891B9 #3850B9

triadic

#3891B9 #B93891 #91B938

tetradic

#3891B9 #A138B9 #B96038 #50B938

square

#3891B9 #A138B9 #B96038 #50B938

split-complementary

#3891B9 #B93850 #B9A138

monochromatic

#1C475B #2A6C8A #3891B9 #5FACCF #8EC5DD

Accessibility & contrast

On white

3.55

#3891B9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.92

#3891B9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3891B9

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3891B9	#FFFFFF	#000000	##000000
##3891B9	1.00	3.55	5.92	5.92
#FFFFFF	3.55	1.00	21.00	21.00
#000000	5.92	21.00	1.00	1.00
##000000	5.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8FBB

Deuteranopia (green-blind)

#6B82B8

Tritanopia (blue-blind)

#009C9E

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #3891b9;
/* rgb */ color: rgb(56, 145, 185);
/* oklch */ color: oklch(62.1% 0.103 231.3);

Tailwind

colors: {
  custom: {
    50: '#7eb1ce',
    500: '#3891b9',
    950: '#000000',
  },
}

SCSS

$custom: #3891b9;
$custom-light: #7eb1ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3891b9",
  "rgb": {
    "r": 56,
    "g": 145,
    "b": 185
  },
  "hsl": {
    "h": 198.605,
    "s": 53.527,
    "l": 47.255
  },
  "oklch": {
    "l": 0.62076,
    "c": 0.10265,
    "h": 231.3
  },
  "luminance": 0.24594
}

Semantic roles & 50–950 ramp

primary

#3891B9

secondary

#C89A85

accent

#784BDD

background

#F8FAFC

surface

#EFF5F9

border

#CACFD2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3891B9

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

Preview Lab → · Contrast checker → · Palette generator →