#3987BE#3987BE

#3987BE is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 60.0% C 0.113 H 242.8°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3987BE
RGB	rgb(57, 135, 190)
HSL	hsl(205, 54%, 48%)
HSV	hsv(205, 70%, 75%)
CMYK	cmyk(70%, 28.9%, 0%, 25.5%)
CIE-LAB	lab(53.94, -5.83, -35.65)
CIE-LCH	lch(53.94, 36.13, 260.71°)
OKLab	oklab(59.98% -0.0518 -0.1007)
OKLCH	oklch(59.98% 0.113 242.8)
XYZ	xyz(19.6420, 21.9134, 51.8997)
Luminance	0.2192 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987BE #BE7039

analogous

#39BEB2 #3987BE #3944BE

triadic

#3987BE #BE3987 #87BE39

tetradic

#3987BE #B239BE #BE7039 #44BE39

square

#3987BE #B239BE #BE7039 #44BE39

split-complementary

#3987BE #BE3944 #BEB239

monochromatic

#1D4460 #2B668F #3987BE #64A3D0 #93BFDF

Accessibility & contrast

On white

3.90

#3987BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#3987BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987BE

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987BE	#FFFFFF	#000000	##000000
##3987BE	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E88C0

Deuteranopia (green-blind)

#5C7BBD

Tritanopia (blue-blind)

#00949A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #3987be;
/* rgb */ color: rgb(57, 135, 190);
/* oklch */ color: oklch(60.0% 0.113 242.8);

Tailwind

colors: {
  custom: {
    50: '#7fa9d2',
    500: '#3987be',
    950: '#000000',
  },
}

SCSS

$custom: #3987be;
$custom-light: #7fa9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3987be",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 190
  },
  "hsl": {
    "h": 204.812,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.5998,
    "c": 0.11326,
    "h": 242.8
  },
  "luminance": 0.21916
}

Semantic roles & 50–950 ramp

primary

#3987BE

secondary

#CAA489

accent

#874BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3987BE

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

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