#3F8DB2#3F8DB2

#3F8DB2 is a mid, moderate cyan. Relative luminance 0.233; OKLCH L 61.0% C 0.094 H 231.8°. Best body text is #000000 at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3F8DB2
RGB	rgb(63, 141, 178)
HSL	hsl(199, 48%, 47%)
HSV	hsv(199, 65%, 70%)
CMYK	cmyk(64.6%, 20.8%, 0%, 30.2%)
CIE-LAB	lab(55.40, -12.32, -26.51)
CIE-LCH	lch(55.40, 29.23, 245.08°)
OKLab	oklab(61.02% -0.0584 -0.0742)
OKLCH	oklch(61.02% 0.094 231.8)
XYZ	xyz(19.6075, 23.3188, 45.5785)
Luminance	0.2332 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8DB2 #B2643F

analogous

#3FB29D #3F8DB2 #3F54B2

triadic

#3F8DB2 #B23F8D #8DB23F

tetradic

#3F8DB2 #9D3FB2 #B2643F #54B23F

square

#3F8DB2 #9D3FB2 #B2643F #54B23F

split-complementary

#3F8DB2 #B23F54 #B29D3F

monochromatic

#1F4558 #2F6985 #3F8DB2 #66A9C9 #93C2D9

Accessibility & contrast

On white

3.71

#3F8DB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.66

#3F8DB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DB2

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8DB2	#FFFFFF	#000000	##000000
##3F8DB2	1.00	3.71	5.66	5.66
#FFFFFF	3.71	1.00	21.00	21.00
#000000	5.66	21.00	1.00	1.00
##000000	5.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8BB4

Deuteranopia (green-blind)

#6B80B1

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8db2;
/* rgb */ color: rgb(63, 141, 178);
/* oklch */ color: oklch(61.0% 0.094 231.8);

Tailwind

colors: {
  custom: {
    50: '#80aec9',
    500: '#3f8db2',
    950: '#000000',
  },
}

SCSS

$custom: #3f8db2;
$custom-light: #80aec9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8db2",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 178
  },
  "hsl": {
    "h": 199.304,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.61024,
    "c": 0.09444,
    "h": 231.8
  },
  "luminance": 0.23321
}

Semantic roles & 50–950 ramp

primary

#3F8DB2

secondary

#C49C89

accent

#7C50D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8DB2

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

Preview Lab → · Contrast checker → · Palette generator →