#3988BF#3988BF

#3988BF is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.114 H 242.5°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3988BF
RGB	rgb(57, 136, 191)
HSL	hsl(205, 54%, 49%)
HSV	hsv(205, 70%, 75%)
CMYK	cmyk(70.2%, 28.8%, 0%, 25.1%)
CIE-LAB	lab(54.28, -6.06, -35.68)
CIE-LCH	lch(54.28, 36.20, 260.35°)
OKLab	oklab(60.27% -0.0525 -0.1008)
OKLCH	oklch(60.27% 0.114 242.5)
XYZ	xyz(19.8919, 22.2376, 52.5241)
Luminance	0.2224 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3988BF #BF7039

analogous

#39BFB3 #3988BF #3945BF

triadic

#3988BF #BF3988 #88BF39

tetradic

#3988BF #B339BF #BF7039 #45BF39

square

#3988BF #B339BF #BF7039 #45BF39

split-complementary

#3988BF #BF3945 #BFB339

monochromatic

#1D4561 #2B6690 #3988BF #64A4D1 #93C0DF

Accessibility & contrast

On white

3.85

#3988BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3988BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988BF

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3988BF	#FFFFFF	#000000	##000000
##3988BF	1.00	3.85	5.45	5.45
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F89C1

Deuteranopia (green-blind)

#5C7CBE

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3988bf;
/* rgb */ color: rgb(57, 136, 191);
/* oklch */ color: oklch(60.3% 0.114 242.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3988bf",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 191
  },
  "hsl": {
    "h": 204.627,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.60267,
    "c": 0.11365,
    "h": 242.5
  },
  "luminance": 0.2224
}

Semantic roles & 50–950 ramp

primary

#3988BF

secondary

#CAA48A

accent

#874ADD

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3988BF

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

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