#3988A7#3988A7

#3988A7 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.090 H 227.2°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#3988A7
RGB	rgb(57, 136, 167)
HSL	hsl(197, 49%, 44%)
HSV	hsv(197, 66%, 65%)
CMYK	cmyk(65.9%, 18.6%, 0%, 34.5%)
CIE-LAB	lab(53.24, -14.20, -23.55)
CIE-LCH	lch(53.24, 27.49, 238.91°)
OKLab	oklab(59.1% -0.0609 -0.0658)
OKLCH	oklch(59.1% 0.09 227.2)
XYZ	xyz(17.4638, 21.2664, 39.7362)
Luminance	0.2127 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988A7 #A75839

analogous

#39A78F #3988A7 #3951A7

triadic

#3988A7 #A73988 #88A739

tetradic

#3988A7 #8F39A7 #A75839 #51A739

square

#3988A7 #8F39A7 #A75839 #51A739

split-complementary

#3988A7 #A73951 #A78F39

monochromatic

#1A3E4C #296379 #3988A7 #57A7C6 #85BFD5

Accessibility & contrast

On white

4.00

#3988A7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#3988A7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988A7

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988A7	#FFFFFF	#000000	##000000
##3988A7	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7886A9

Deuteranopia (green-blind)

#687AA7

Tritanopia (blue-blind)

#009192

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3988a7;
/* rgb */ color: rgb(57, 136, 167);
/* oklch */ color: oklch(59.1% 0.090 227.2);

Tailwind

colors: {
  custom: {
    50: '#7caac1',
    500: '#3988a7',
    950: '#000000',
  },
}

SCSS

$custom: #3988a7;
$custom-light: #7caac1;
$custom-dark: #000000;

JSON

{
  "hex": "#3988a7",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 167
  },
  "hsl": {
    "h": 196.909,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.59099,
    "c": 0.08966,
    "h": 227.2
  },
  "luminance": 0.21268
}

Semantic roles & 50–950 ramp

primary

#3988A7

secondary

#BF8F7D

accent

#764FD9

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3988A7

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

Preview Lab → · Contrast checker → · Palette generator →