#3989AA#3989AA

#3989AA is a mid, moderate cyan. Relative luminance 0.217; OKLCH L 59.5% C 0.092 H 228.5°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#3989AA
RGB	rgb(57, 137, 170)
HSL	hsl(198, 50%, 45%)
HSV	hsv(198, 66%, 67%)
CMYK	cmyk(66.5%, 19.4%, 0%, 33.3%)
CIE-LAB	lab(53.67, -13.76, -24.62)
CIE-LCH	lch(53.67, 28.20, 240.79°)
OKLab	oklab(59.48% -0.0608 -0.0689)
OKLCH	oklch(59.48% 0.092 228.5)
XYZ	xyz(17.8858, 21.6616, 41.2609)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989AA #AA5A39

analogous

#39AA93 #3989AA #3951AA

triadic

#3989AA #AA3989 #89AA39

tetradic

#3989AA #9339AA #AA5A39 #51AA39

square

#3989AA #9339AA #AA5A39 #51AA39

split-complementary

#3989AA #AA3951 #AA9339

monochromatic

#1A3F4E #2A647C #3989AA #59A7C7 #87BFD7

Accessibility & contrast

On white

3.94

#3989AA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#3989AA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989AA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989AA	#FFFFFF	#000000	##000000
##3989AA	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7887AC

Deuteranopia (green-blind)

#687BAA

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3989aa;
/* rgb */ color: rgb(57, 137, 170);
/* oklch */ color: oklch(59.5% 0.092 228.5);

Tailwind

colors: {
  custom: {
    50: '#7cabc3',
    500: '#3989aa',
    950: '#000000',
  },
}

SCSS

$custom: #3989aa;
$custom-light: #7cabc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3989aa",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 170
  },
  "hsl": {
    "h": 197.522,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.5948,
    "c": 0.09189,
    "h": 228.5
  },
  "luminance": 0.21663
}

Semantic roles & 50–950 ramp

primary

#3989AA

secondary

#C1927E

accent

#774ED9

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3989AA

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

Preview Lab → · Contrast checker → · Palette generator →