#3F88BE#3F88BE

#3F88BE is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.110 H 243.5°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3F88BE
RGB	rgb(63, 136, 190)
HSL	hsl(206, 50%, 50%)
HSV	hsv(206, 67%, 75%)
CMYK	cmyk(66.8%, 28.4%, 0%, 25.5%)
CIE-LAB	lab(54.43, -5.46, -34.87)
CIE-LCH	lch(54.43, 35.29, 261.10°)
OKLab	oklab(60.43% -0.049 -0.0984)
OKLCH	oklch(60.43% 0.11 243.5)
XYZ	xyz(20.1448, 22.3807, 51.9635)
Luminance	0.2238 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F88BE #BE753F

analogous

#3FBEB5 #3F88BE #3F48BE

triadic

#3F88BE #BE3F88 #88BE3F

tetradic

#3F88BE #B53FBE #BE753F #48BE3F

square

#3F88BE #B53FBE #BE753F #48BE3F

split-complementary

#3F88BE #BE3F48 #BEB53F

monochromatic

#214662 #306790 #3F88BE #6CA4CE #9AC1DD

Accessibility & contrast

On white

3.83

#3F88BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3F88BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F88BE

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F88BE	#FFFFFF	#000000	##000000
##3F88BE	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7089C0

Deuteranopia (green-blind)

#5E7DBD

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f88be;
/* rgb */ color: rgb(63, 136, 190);
/* oklch */ color: oklch(60.4% 0.110 243.5);

Tailwind

colors: {
  custom: {
    50: '#81aad2',
    500: '#3f88be',
    950: '#000000',
  },
}

SCSS

$custom: #3f88be;
$custom-light: #81aad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f88be",
  "rgb": {
    "r": 63,
    "g": 136,
    "b": 190
  },
  "hsl": {
    "h": 205.512,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.60426,
    "c": 0.1099,
    "h": 243.5
  },
  "luminance": 0.22383
}

Semantic roles & 50–950 ramp

primary

#3F88BE

secondary

#C9A88F

accent

#894EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F88BE

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

Preview Lab → · Contrast checker → · Palette generator →