#3989B5#3989B5

#3989B5 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.0% C 0.102 H 236.2°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#3989B5
RGB	rgb(57, 137, 181)
HSL	hsl(201, 52%, 47%)
HSV	hsv(201, 69%, 71%)
CMYK	cmyk(68.5%, 24.3%, 0%, 29%)
CIE-LAB	lab(54.13, -10.08, -30.21)
CIE-LCH	lch(54.13, 31.85, 251.56°)
OKLab	oklab(60% -0.0569 -0.0849)
OKLCH	oklch(60% 0.102 236.2)
XYZ	xyz(18.9702, 22.0953, 46.9722)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989B5 #B56539

analogous

#39B5A3 #3989B5 #394BB5

triadic

#3989B5 #B53989 #89B539

tetradic

#3989B5 #A339B5 #B56539 #4BB539

square

#3989B5 #A339B5 #B56539 #4BB539

split-complementary

#3989B5 #B5394B #B5A339

monochromatic

#1C4358 #2A6686 #3989B5 #5FA6CD #8DC0DB

Accessibility & contrast

On white

3.87

#3989B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#3989B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989B5

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989B5	#FFFFFF	#000000	##000000
##3989B5	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7488B7

Deuteranopia (green-blind)

#637CB4

Tritanopia (blue-blind)

#009498

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3989b5;
/* rgb */ color: rgb(57, 137, 181);
/* oklch */ color: oklch(60.0% 0.102 236.2);

Tailwind

colors: {
  custom: {
    50: '#7eabcb',
    500: '#3989b5',
    950: '#000000',
  },
}

SCSS

$custom: #3989b5;
$custom-light: #7eabcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3989b5",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 181
  },
  "hsl": {
    "h": 201.29,
    "s": 52.101,
    "l": 46.667
  },
  "oklch": {
    "l": 0.6,
    "c": 0.10221,
    "h": 236.2
  },
  "luminance": 0.22097
}

Semantic roles & 50–950 ramp

primary

#3989B5

secondary

#C69B84

accent

#7F4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3989B5

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

Preview Lab → · Contrast checker → · Palette generator →