#3988C5#3988C5

#3988C5 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.6% C 0.121 H 245.2°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3988C5
RGB	rgb(57, 136, 197)
HSL	hsl(206, 55%, 50%)
HSV	hsv(206, 71%, 77%)
CMYK	cmyk(71.1%, 31%, 0%, 22.7%)
CIE-LAB	lab(54.56, -3.97, -38.65)
CIE-LCH	lch(54.56, 38.86, 264.14°)
OKLab	oklab(60.58% -0.0507 -0.1094)
OKLCH	oklch(60.58% 0.121 245.2)
XYZ	xyz(20.5657, 22.5071, 56.0729)
Luminance	0.2251 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988C5 #C57639

analogous

#39C5BC #3988C5 #3942C5

triadic

#3988C5 #C53988 #88C539

tetradic

#3988C5 #BC39C5 #C57639 #42C539

square

#3988C5 #BC39C5 #C57639 #42C539

split-complementary

#3988C5 #C53942 #C5BC39

monochromatic

#1E4666 #2B6796 #3988C5 #68A5D3 #97C1E1

Accessibility & contrast

On white

3.82

#3988C5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3988C5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988C5

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988C5	#FFFFFF	#000000	##000000
##3988C5	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8AC8

Deuteranopia (green-blind)

#597DC4

Tritanopia (blue-blind)

#00979E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3988c5;
/* rgb */ color: rgb(57, 136, 197);
/* oklch */ color: oklch(60.6% 0.121 245.2);

Tailwind

colors: {
  custom: {
    50: '#80aad7',
    500: '#3988c5',
    950: '#000000',
  },
}

SCSS

$custom: #3988c5;
$custom-light: #80aad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3988c5",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 197
  },
  "hsl": {
    "h": 206.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.60583,
    "c": 0.12058,
    "h": 245.2
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary

#3988C5

secondary

#CDA98D

accent

#8A49DE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3988C5

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

Preview Lab → · Contrast checker → · Palette generator →