#3989BC#3989BC

#3989BC is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.3% C 0.110 H 240.2°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3989BC
RGB	rgb(57, 137, 188)
HSL	hsl(203, 53%, 48%)
HSV	hsv(203, 70%, 74%)
CMYK	cmyk(69.7%, 27.1%, 0%, 26.3%)
CIE-LAB	lab(54.44, -7.68, -33.72)
CIE-LCH	lch(54.44, 34.59, 257.17°)
OKLab	oklab(60.35% -0.0545 -0.0951)
OKLCH	oklch(60.35% 0.11 240.2)
XYZ	xyz(19.7066, 22.3899, 50.8503)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989BC #BC6C39

analogous

#39BCAD #3989BC #3947BC

triadic

#3989BC #BC3989 #89BC39

tetradic

#3989BC #AD39BC #BC6C39 #47BC39

square

#3989BC #AD39BC #BC6C39 #47BC39

split-complementary

#3989BC #BC3947 #BCAD39

monochromatic

#1D455E #2B678D #3989BC #63A5D0 #92C0DE

Accessibility & contrast

On white

3.83

#3989BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3989BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989BC

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989BC	#FFFFFF	#000000	##000000
##3989BC	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BE

Deuteranopia (green-blind)

#5F7DBB

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3989bc;
/* rgb */ color: rgb(57, 137, 188);
/* oklch */ color: oklch(60.3% 0.110 240.2);

Tailwind

colors: {
  custom: {
    50: '#7fabd0',
    500: '#3989bc',
    950: '#000000',
  },
}

SCSS

$custom: #3989bc;
$custom-light: #7fabd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3989bc",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 188
  },
  "hsl": {
    "h": 203.359,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.60349,
    "c": 0.1096,
    "h": 240.2
  },
  "luminance": 0.22392
}

Semantic roles & 50–950 ramp

primary

#3989BC

secondary

#C9A188

accent

#844BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3989BC

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

Preview Lab → · Contrast checker → · Palette generator →