#3988C4#3988C4

#3988C4 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.119 H 244.7°. Best body text is #000000 at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3988C4
RGB	rgb(57, 136, 196)
HSL	hsl(206, 55%, 50%)
HSV	hsv(206, 71%, 77%)
CMYK	cmyk(70.9%, 30.6%, 0%, 23.1%)
CIE-LAB	lab(54.51, -4.32, -38.16)
CIE-LCH	lch(54.51, 38.40, 263.54°)
OKLab	oklab(60.53% -0.051 -0.108)
OKLCH	oklch(60.53% 0.119 244.7)
XYZ	xyz(20.4515, 22.4614, 55.4715)
Luminance	0.2246 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988C4 #C47539

analogous

#39C4BB #3988C4 #3943C4

triadic

#3988C4 #C43988 #88C439

tetradic

#3988C4 #BB39C4 #C47539 #43C439

square

#3988C4 #BB39C4 #C47539 #43C439

split-complementary

#3988C4 #C43943 #C4BB39

monochromatic

#1D4665 #2B6795 #3988C4 #67A4D3 #97C1E1

Accessibility & contrast

On white

3.82

#3988C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.49

#3988C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988C4

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988C4	#FFFFFF	#000000	##000000
##3988C4	1.00	3.82	5.49	5.49
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.49	21.00	1.00	1.00
##000000	5.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D8AC7

Deuteranopia (green-blind)

#5A7CC3

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3988c4;
/* rgb */ color: rgb(57, 136, 196);
/* oklch */ color: oklch(60.5% 0.119 244.7);

Tailwind

colors: {
  custom: {
    50: '#80aad6',
    500: '#3988c4',
    950: '#000000',
  },
}

SCSS

$custom: #3988c4;
$custom-light: #80aad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3988c4",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 196
  },
  "hsl": {
    "h": 205.899,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6053,
    "c": 0.11941,
    "h": 244.7
  },
  "luminance": 0.22464
}

Semantic roles & 50–950 ramp

primary

#3988C4

secondary

#CCA88D

accent

#8A4ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3988C4

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

Preview Lab → · Contrast checker → · Palette generator →