#3989CC#3989CC

#3989CC is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.2% C 0.128 H 247.2°. Best body text is #000000 at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3989CC
RGB	rgb(57, 137, 204)
HSL	hsl(207, 59%, 51%)
HSV	hsv(207, 72%, 80%)
CMYK	cmyk(72.1%, 32.8%, 0%, 20%)
CIE-LAB	lab(55.19, -2.09, -41.62)
CIE-LCH	lch(55.19, 41.67, 267.13°)
OKLab	oklab(61.19% -0.0496 -0.1181)
OKLCH	oklch(61.19% 0.128 247.2)
XYZ	xyz(21.5279, 23.1184, 60.4428)
Luminance	0.2312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3989CC #CC7C39

analogous

#39CCC5 #3989CC #393FCC

triadic

#3989CC #CC3989 #89CC39

tetradic

#3989CC #C539CC #CC7C39 #3FCC39

square

#3989CC #C539CC #CC7C39 #3FCC39

split-complementary

#3989CC #CC393F #CCC539

monochromatic

#1C496E #29699F #3989CC #6AA6D9 #9AC3E5

Accessibility & contrast

On white

3.73

#3989CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.62

#3989CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3989CC

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3989CC	#FFFFFF	#000000	##000000
##3989CC	1.00	3.73	5.62	5.62
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.62	21.00	1.00	1.00
##000000	5.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8CCF

Deuteranopia (green-blind)

#567ECB

Tritanopia (blue-blind)

#0099A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #3989cc;
/* rgb */ color: rgb(57, 137, 204);
/* oklch */ color: oklch(61.2% 0.128 247.2);

Tailwind

colors: {
  custom: {
    50: '#81abdc',
    500: '#3989cc',
    950: '#000000',
  },
}

SCSS

$custom: #3989cc;
$custom-light: #81abdc;
$custom-dark: #000000;

JSON

{
  "hex": "#3989cc",
  "rgb": {
    "r": 57,
    "g": 137,
    "b": 204
  },
  "hsl": {
    "h": 207.347,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.61194,
    "c": 0.12805,
    "h": 247.2
  },
  "luminance": 0.23121
}

Semantic roles & 50–950 ramp

primary

#3989CC

secondary

#D1AE90

accent

#8D46E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #3989CC

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

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