#3988DC#3988DC

#3988DC is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 61.9% C 0.149 H 252.6°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3988DC
RGB	rgb(57, 136, 220)
HSL	hsl(211, 70%, 54%)
HSV	hsv(211, 74%, 86%)
CMYK	cmyk(74.1%, 38.2%, 0%, 13.7%)
CIE-LAB	lab(55.73, 4.22, -49.78)
CIE-LCH	lch(55.73, 49.96, 274.85°)
OKLab	oklab(61.88% -0.0445 -0.1419)
OKLCH	oklch(61.88% 0.149 252.6)
XYZ	xyz(23.4049, 23.6428, 71.0263)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988DC #DC8D39

analogous

#39DADC #3988DC #3C39DC

triadic

#3988DC #DC3988 #88DC39

tetradic

#3988DC #DC39DA #DC8D39 #39DC3C

square

#3988DC #DC39DA #DC8D39 #39DC3C

split-complementary

#3988DC #DC3C39 #DADC39

monochromatic

#174C83 #206AB7 #3988DC #6DA7E5 #A1C7EE

Accessibility & contrast

On white

3.67

#3988DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#3988DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988DC

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988DC	#FFFFFF	#000000	##000000
##3988DC	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618EDF

Deuteranopia (green-blind)

#477FDA

Tritanopia (blue-blind)

#009CA7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3988dc;
/* rgb */ color: rgb(57, 136, 220);
/* oklch */ color: oklch(61.9% 0.149 252.6);

Tailwind

colors: {
  custom: {
    50: '#84aae7',
    500: '#3988dc',
    950: '#000000',
  },
}

SCSS

$custom: #3988dc;
$custom-light: #84aae7;
$custom-dark: #000000;

JSON

{
  "hex": "#3988dc",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 220
  },
  "hsl": {
    "h": 210.92,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.61881,
    "c": 0.14876,
    "h": 252.6
  },
  "luminance": 0.23645
}

Semantic roles & 50–950 ramp

primary

#3988DC

secondary

#DBB996

accent

#973BED

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0C0F16

muted

#7D7F84

Preview Lab

Preview with #3988DC

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

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