#3F89BE#3F89BE

#3F89BE is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.7% C 0.109 H 242.7°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3F89BE
RGB	rgb(63, 137, 190)
HSL	hsl(205, 50%, 50%)
HSV	hsv(205, 67%, 75%)
CMYK	cmyk(66.8%, 27.9%, 0%, 25.5%)
CIE-LAB	lab(54.72, -6.04, -34.40)
CIE-LCH	lch(54.72, 34.93, 260.04°)
OKLab	oklab(60.66% -0.0501 -0.097)
OKLCH	oklch(60.66% 0.109 242.7)
XYZ	xyz(20.2863, 22.6637, 52.0106)
Luminance	0.2267 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89BE #BE743F

analogous

#3FBEB4 #3F89BE #3F4ABE

triadic

#3F89BE #BE3F89 #89BE3F

tetradic

#3F89BE #B43FBE #BE743F #4ABE3F

square

#3F89BE #B43FBE #BE743F #4ABE3F

split-complementary

#3F89BE #BE3F4A #BEB43F

monochromatic

#214762 #306890 #3F89BE #6CA5CE #9AC1DD

Accessibility & contrast

On white

3.80

#3F89BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3F89BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89BE

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89BE	#FFFFFF	#000000	##000000
##3F89BE	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718AC0

Deuteranopia (green-blind)

#607DBD

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3f89be;
/* rgb */ color: rgb(63, 137, 190);
/* oklch */ color: oklch(60.7% 0.109 242.7);

Tailwind

colors: {
  custom: {
    50: '#82abd2',
    500: '#3f89be',
    950: '#000000',
  },
}

SCSS

$custom: #3f89be;
$custom-light: #82abd2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89be",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 190
  },
  "hsl": {
    "h": 205.039,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.6066,
    "c": 0.10916,
    "h": 242.7
  },
  "luminance": 0.22666
}

Semantic roles & 50–950 ramp

primary

#3F89BE

secondary

#C9A88F

accent

#884EDA

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3F89BE

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

Preview Lab → · Contrast checker → · Palette generator →