#3988C1#3988C1

#3988C1 is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.4% C 0.116 H 243.4°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3988C1
RGB	rgb(57, 136, 193)
HSL	hsl(205, 54%, 49%)
HSV	hsv(205, 70%, 76%)
CMYK	cmyk(70.5%, 29.5%, 0%, 24.3%)
CIE-LAB	lab(54.37, -5.37, -36.68)
CIE-LCH	lch(54.37, 37.07, 261.67°)
OKLab	oklab(60.37% -0.0519 -0.1037)
OKLCH	oklch(60.37% 0.116 243.4)
XYZ	xyz(20.1135, 22.3262, 53.6911)
Luminance	0.2233 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988C1 #C17239

analogous

#39C1B6 #3988C1 #3944C1

triadic

#3988C1 #C13988 #88C139

tetradic

#3988C1 #B639C1 #C17239 #44C139

square

#3988C1 #B639C1 #C17239 #44C139

split-complementary

#3988C1 #C13944 #C1B639

monochromatic

#1D4563 #2B6792 #3988C1 #66A4D2 #95C0E0

Accessibility & contrast

On white

3.84

#3988C1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#3988C1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988C1

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988C1	#FFFFFF	#000000	##000000
##3988C1	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E89C4

Deuteranopia (green-blind)

#5B7CC0

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3988c1;
/* rgb */ color: rgb(57, 136, 193);
/* oklch */ color: oklch(60.4% 0.116 243.4);

Tailwind

colors: {
  custom: {
    50: '#80aad4',
    500: '#3988c1',
    950: '#000000',
  },
}

SCSS

$custom: #3988c1;
$custom-light: #80aad4;
$custom-dark: #000000;

JSON

{
  "hex": "#3988c1",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 193
  },
  "hsl": {
    "h": 205.147,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60371,
    "c": 0.11593,
    "h": 243.4
  },
  "luminance": 0.22328
}

Semantic roles & 50–950 ramp

primary

#3988C1

secondary

#CBA68B

accent

#884ADE

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3988C1

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

Preview Lab → · Contrast checker → · Palette generator →