#3989AB#3989AB

#3989AB is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.093 H 229.3°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3989AB
RGB	rgb(57, 137, 171)
HSL	hsl(198, 50%, 45%)
HSV	hsv(198, 67%, 67%)
CMYK	cmyk(66.7%, 19.9%, 0%, 32.9%)
CIE-LAB	lab(53.71, -13.43, -25.13)
CIE-LCH	lch(53.71, 28.49, 241.88°)
OKLab	oklab(59.53% -0.0605 -0.0703)
OKLCH	oklch(59.53% 0.093 229.3)
XYZ	xyz(17.9808, 21.6995, 41.7610)
Luminance	0.2170 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989AB #AB5B39

analogous

#39AB94 #3989AB #3950AB

triadic

#3989AB #AB3989 #89AB39

tetradic

#3989AB #9439AB #AB5B39 #50AB39

square

#3989AB #9439AB #AB5B39 #50AB39

split-complementary

#3989AB #AB3950 #AB9439

monochromatic

#1A3F4F #2A647D #3989AB #59A7C8 #87BFD7

Accessibility & contrast

On white

3.93

#3989AB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#3989AB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989AB

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989AB	#FFFFFF	#000000	##000000
##3989AB	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7787AD

Deuteranopia (green-blind)

#687BAB

Tritanopia (blue-blind)

#009394

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3989ab;
/* rgb */ color: rgb(57, 137, 171);
/* oklch */ color: oklch(59.5% 0.093 229.3);

Tailwind

colors: {
  custom: {
    50: '#7cabc4',
    500: '#3989ab',
    950: '#000000',
  },
}

SCSS

$custom: #3989ab;
$custom-light: #7cabc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3989ab",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 171
  },
  "hsl": {
    "h": 197.895,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59526,
    "c": 0.09274,
    "h": 229.3
  },
  "luminance": 0.21701
}

Semantic roles & 50–950 ramp

primary

#3989AB

secondary

#C1927F

accent

#784EDA

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3989AB

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

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