#3989BF#3989BF

#3989BF is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.113 H 241.7°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3989BF
RGB	rgb(57, 137, 191)
HSL	hsl(204, 54%, 49%)
HSV	hsv(204, 70%, 75%)
CMYK	cmyk(70.2%, 28.3%, 0%, 25.1%)
CIE-LAB	lab(54.58, -6.64, -35.22)
CIE-LCH	lch(54.58, 35.84, 259.32°)
OKLab	oklab(60.5% -0.0535 -0.0994)
OKLCH	oklch(60.5% 0.113 241.7)
XYZ	xyz(20.0333, 22.5206, 52.5712)
Luminance	0.2252 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989BF #BF6F39

analogous

#39BFB2 #3989BF #3946BF

triadic

#3989BF #BF3989 #89BF39

tetradic

#3989BF #B239BF #BF6F39 #46BF39

square

#3989BF #B239BF #BF6F39 #46BF39

split-complementary

#3989BF #BF3946 #BFB239

monochromatic

#1D4561 #2B6790 #3989BF #64A5D1 #93C1DF

Accessibility & contrast

On white

3.81

#3989BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3989BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989BF

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989BF	#FFFFFF	#000000	##000000
##3989BF	1.00	3.81	5.50	5.50
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#708AC1

Deuteranopia (green-blind)

#5E7DBE

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3989bf;
/* rgb */ color: rgb(57, 137, 191);
/* oklch */ color: oklch(60.5% 0.113 241.7);

Tailwind

colors: {
  custom: {
    50: '#7fabd2',
    500: '#3989bf',
    950: '#000000',
  },
}

SCSS

$custom: #3989bf;
$custom-light: #7fabd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3989bf",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 191
  },
  "hsl": {
    "h": 204.179,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60502,
    "c": 0.11292,
    "h": 241.7
  },
  "luminance": 0.22523
}

Semantic roles & 50–950 ramp

primary

#3989BF

secondary

#CAA48A

accent

#864ADD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3989BF

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

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