#3988BE#3988BE

#3988BE is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.113 H 242.0°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3988BE
RGB	rgb(57, 136, 190)
HSL	hsl(204, 54%, 48%)
HSV	hsv(204, 70%, 75%)
CMYK	cmyk(70%, 28.4%, 0%, 25.5%)
CIE-LAB	lab(54.23, -6.41, -35.19)
CIE-LCH	lch(54.23, 35.77, 259.67°)
OKLab	oklab(60.22% -0.0528 -0.0993)
OKLCH	oklch(60.22% 0.113 242)
XYZ	xyz(19.7822, 22.1937, 51.9465)
Luminance	0.2220 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988BE #BE6F39

analogous

#39BEB1 #3988BE #3945BE

triadic

#3988BE #BE3988 #88BE39

tetradic

#3988BE #B139BE #BE6F39 #45BE39

square

#3988BE #B139BE #BE6F39 #45BE39

split-complementary

#3988BE #BE3945 #BEB139

monochromatic

#1D4560 #2B668F #3988BE #64A4D0 #93C0DF

Accessibility & contrast

On white

3.86

#3988BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#3988BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988BE

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988BE	#FFFFFF	#000000	##000000
##3988BE	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F89C0

Deuteranopia (green-blind)

#5D7CBD

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3988be;
/* rgb */ color: rgb(57, 136, 190);
/* oklch */ color: oklch(60.2% 0.113 242.0);

Tailwind

colors: {
  custom: {
    50: '#7faad2',
    500: '#3988be',
    950: '#000000',
  },
}

SCSS

$custom: #3988be;
$custom-light: #7faad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3988be",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 190
  },
  "hsl": {
    "h": 204.361,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60215,
    "c": 0.11252,
    "h": 242
  },
  "luminance": 0.22196
}

Semantic roles & 50–950 ramp

primary

#3988BE

secondary

#CAA389

accent

#864BDD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3988BE

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

Preview Lab → · Contrast checker → · Palette generator →