#3F89BA#3F89BA

#3F89BA is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.5% C 0.105 H 240.6°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F89BA
RGB	rgb(63, 137, 186)
HSL	hsl(204, 49%, 49%)
HSV	hsv(204, 66%, 73%)
CMYK	cmyk(66.1%, 26.3%, 0%, 27.1%)
CIE-LAB	lab(54.54, -7.40, -32.40)
CIE-LCH	lch(54.54, 33.24, 257.14°)
OKLab	oklab(60.46% -0.0514 -0.0912)
OKLCH	oklch(60.46% 0.105 240.6)
XYZ	xyz(19.8551, 22.4912, 49.7397)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F89BA #BA703F

analogous

#3FBAAE #3F89BA #3F4CBA

triadic

#3F89BA #BA3F89 #89BA3F

tetradic

#3F89BA #AE3FBA #BA703F #4CBA3F

square

#3F89BA #AE3FBA #BA703F #4CBA3F

split-complementary

#3F89BA #BA3F4C #BAAE3F

monochromatic

#20465F #30678C #3F89BA #6AA5CC #97C1DC

Accessibility & contrast

On white

3.82

#3F89BA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3F89BA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89BA

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F89BA	#FFFFFF	#000000	##000000
##3F89BA	1.00	3.82	5.50	5.50
#FFFFFF	3.82	1.00	21.00	21.00
#000000	5.50	21.00	1.00	1.00
##000000	5.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7389BC

Deuteranopia (green-blind)

#627DB9

Tritanopia (blue-blind)

#00959A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f89ba;
/* rgb */ color: rgb(63, 137, 186);
/* oklch */ color: oklch(60.5% 0.105 240.6);

Tailwind

colors: {
  custom: {
    50: '#81abcf',
    500: '#3f89ba',
    950: '#000000',
  },
}

SCSS

$custom: #3f89ba;
$custom-light: #81abcf;
$custom-dark: #000000;

JSON

{
  "hex": "#3f89ba",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 186
  },
  "hsl": {
    "h": 203.902,
    "s": 49.398,
    "l": 48.824
  },
  "oklch": {
    "l": 0.60458,
    "c": 0.10468,
    "h": 240.6
  },
  "luminance": 0.22493
}

Semantic roles & 50–950 ramp

primary

#3F89BA

secondary

#C8A48D

accent

#864FD9

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F89BA

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

Preview Lab → · Contrast checker → · Palette generator →