#3989B1#3989B1

#3989B1 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.8% C 0.098 H 233.6°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3989B1
RGB	rgb(57, 137, 177)
HSL	hsl(200, 51%, 46%)
HSV	hsv(200, 68%, 69%)
CMYK	cmyk(67.8%, 22.6%, 0%, 30.6%)
CIE-LAB	lab(53.96, -11.43, -28.19)
CIE-LCH	lch(53.96, 30.41, 247.93°)
OKLab	oklab(59.81% -0.0583 -0.0791)
OKLCH	oklch(59.81% 0.098 233.6)
XYZ	xyz(18.5657, 21.9335, 44.8416)
Luminance	0.2194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989B1 #B16139

analogous

#39B19D #3989B1 #394DB1

triadic

#3989B1 #B13989 #89B139

tetradic

#3989B1 #9D39B1 #B16139 #4DB139

square

#3989B1 #9D39B1 #B16139 #4DB139

split-complementary

#3989B1 #B1394D #B19D39

monochromatic

#1B4154 #2A6583 #3989B1 #5DA6CB #8BBFDA

Accessibility & contrast

On white

3.90

#3989B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#3989B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989B1

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989B1	#FFFFFF	#000000	##000000
##3989B1	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B3

Deuteranopia (green-blind)

#657CB0

Tritanopia (blue-blind)

#009496

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3989b1;
/* rgb */ color: rgb(57, 137, 177);
/* oklch */ color: oklch(59.8% 0.098 233.6);

Tailwind

colors: {
  custom: {
    50: '#7dabc8',
    500: '#3989b1',
    950: '#000000',
  },
}

SCSS

$custom: #3989b1;
$custom-light: #7dabc8;
$custom-dark: #000000;

JSON

{
  "hex": "#3989b1",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 177
  },
  "hsl": {
    "h": 200,
    "s": 51.282,
    "l": 45.882
  },
  "oklch": {
    "l": 0.59807,
    "c": 0.09825,
    "h": 233.6
  },
  "luminance": 0.21936
}

Semantic roles & 50–950 ramp

primary

#3989B1

secondary

#C49882

accent

#7C4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3989B1

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

Preview Lab → · Contrast checker → · Palette generator →