#3989B3#3989B3

#3989B3 is a mid, moderate cyan. Relative luminance 0.220; OKLCH L 59.9% C 0.100 H 234.9°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3989B3
RGB	rgb(57, 137, 179)
HSL	hsl(201, 52%, 46%)
HSV	hsv(201, 68%, 70%)
CMYK	cmyk(68.2%, 23.5%, 0%, 29.8%)
CIE-LAB	lab(54.04, -10.75, -29.20)
CIE-LCH	lch(54.04, 31.12, 249.78°)
OKLab	oklab(59.9% -0.0576 -0.082)
OKLCH	oklch(59.9% 0.1 234.9)
XYZ	xyz(18.7665, 22.0138, 45.8991)
Luminance	0.2202 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989B3 #B36339

analogous

#39B3A0 #3989B3 #394CB3

triadic

#3989B3 #B33989 #89B339

tetradic

#3989B3 #A039B3 #B36339 #4CB339

square

#3989B3 #A039B3 #B36339 #4CB339

split-complementary

#3989B3 #B3394C #B3A039

monochromatic

#1B4256 #2A6585 #3989B3 #5EA6CC #8CBFDA

Accessibility & contrast

On white

3.89

#3989B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#3989B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989B3

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989B3	#FFFFFF	#000000	##000000
##3989B3	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7588B5

Deuteranopia (green-blind)

#647CB2

Tritanopia (blue-blind)

#009497

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3989b3;
/* rgb */ color: rgb(57, 137, 179);
/* oklch */ color: oklch(59.9% 0.100 234.9);

Tailwind

colors: {
  custom: {
    50: '#7dabca',
    500: '#3989b3',
    950: '#000000',
  },
}

SCSS

$custom: #3989b3;
$custom-light: #7dabca;
$custom-dark: #000000;

JSON

{
  "hex": "#3989b3",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 179
  },
  "hsl": {
    "h": 200.656,
    "s": 51.695,
    "l": 46.275
  },
  "oklch": {
    "l": 0.59903,
    "c": 0.1002,
    "h": 234.9
  },
  "luminance": 0.22016
}

Semantic roles & 50–950 ramp

primary

#3989B3

secondary

#C59A83

accent

#7E4DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3989B3

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

Preview Lab → · Contrast checker → · Palette generator →