#3987C3#3987C3

#3987C3 is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.119 H 245.0°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3987C3
RGB	rgb(57, 135, 195)
HSL	hsl(206, 55%, 49%)
HSV	hsv(206, 71%, 76%)
CMYK	cmyk(70.8%, 30.8%, 0%, 23.5%)
CIE-LAB	lab(54.17, -4.09, -38.13)
CIE-LCH	lch(54.17, 38.35, 263.88°)
OKLab	oklab(60.24% -0.0503 -0.1079)
OKLCH	oklch(60.24% 0.119 245)
XYZ	xyz(20.1979, 22.1357, 54.8273)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3987C3 #C37539

analogous

#39C3BA #3987C3 #3942C3

triadic

#3987C3 #C33987 #87C339

tetradic

#3987C3 #BA39C3 #C37539 #42C339

square

#3987C3 #BA39C3 #C37539 #42C339

split-complementary

#3987C3 #C33942 #C3BA39

monochromatic

#1D4564 #2B6694 #3987C3 #67A4D2 #96C0E0

Accessibility & contrast

On white

3.87

#3987C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3987C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3987C3

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3987C3	#FFFFFF	#000000	##000000
##3987C3	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C89C6

Deuteranopia (green-blind)

#597CC2

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3987c3;
/* rgb */ color: rgb(57, 135, 195);
/* oklch */ color: oklch(60.2% 0.119 245.0);

Tailwind

colors: {
  custom: {
    50: '#80a9d5',
    500: '#3987c3',
    950: '#000000',
  },
}

SCSS

$custom: #3987c3;
$custom-light: #80a9d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3987c3",
  "rgb": {
    "r": 57,
    "g": 135,
    "b": 195
  },
  "hsl": {
    "h": 206.087,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.60244,
    "c": 0.11905,
    "h": 245
  },
  "luminance": 0.22138
}

Semantic roles & 50–950 ramp

primary

#3987C3

secondary

#CCA88C

accent

#8A4ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #3987C3

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

Preview Lab → · Contrast checker → · Palette generator →