#3991AE#3991AE

#3991AE is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.6% C 0.093 H 223.3°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#3991AE
RGB	rgb(57, 145, 174)
HSL	hsl(195, 51%, 45%)
HSV	hsv(195, 67%, 68%)
CMYK	cmyk(67.2%, 16.7%, 0%, 31.8%)
CIE-LAB	lab(56.26, -16.83, -22.91)
CIE-LCH	lch(56.26, 28.43, 233.70°)
OKLab	oklab(61.61% -0.0678 -0.064)
OKLCH	oklch(61.61% 0.093 223.3)
XYZ	xyz(19.4496, 24.1745, 43.6773)
Luminance	0.2418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3991AE #AE5639

analogous

#39AE90 #3991AE #3956AE

triadic

#3991AE #AE3991 #91AE39

tetradic

#3991AE #9039AE #AE5639 #56AE39

square

#3991AE #9039AE #AE5639 #56AE39

split-complementary

#3991AE #AE3956 #AE9039

monochromatic

#1B4452 #2A6B80 #3991AE #5BAEC9 #89C5D8

Accessibility & contrast

On white

3.60

#3991AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#3991AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3991AE

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3991AE	#FFFFFF	#000000	##000000
##3991AE	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#808EB0

Deuteranopia (green-blind)

#7082AE

Tritanopia (blue-blind)

#009A9A

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #3991ae;
/* rgb */ color: rgb(57, 145, 174);
/* oklch */ color: oklch(61.6% 0.093 223.3);

Tailwind

colors: {
  custom: {
    50: '#7db1c6',
    500: '#3991ae',
    950: '#000000',
  },
}

SCSS

$custom: #3991ae;
$custom-light: #7db1c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3991ae",
  "rgb": {
    "r": 57,
    "g": 145,
    "b": 174
  },
  "hsl": {
    "h": 194.872,
    "s": 50.649,
    "l": 45.294
  },
  "oklch": {
    "l": 0.61608,
    "c": 0.09322,
    "h": 223.3
  },
  "luminance": 0.24177
}

Semantic roles & 50–950 ramp

primary

#3991AE

secondary

#C39180

accent

#704EDA

background

#F8FAFC

surface

#EFF5F8

border

#CACFD1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3991AE

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

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