#3F8AB3#3F8AB3

#3F8AB3 is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.4% C 0.097 H 235.5°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#3F8AB3
RGB	rgb(63, 138, 179)
HSL	hsl(201, 48%, 47%)
HSV	hsv(201, 65%, 70%)
CMYK	cmyk(64.8%, 22.9%, 0%, 29.8%)
CIE-LAB	lab(54.54, -10.31, -28.41)
CIE-LCH	lch(54.54, 30.22, 250.06°)
OKLab	oklab(60.35% -0.0548 -0.0797)
OKLCH	oklch(60.35% 0.097 235.5)
XYZ	xyz(19.2719, 22.4864, 45.9637)
Luminance	0.2249 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8AB3 #B3683F

analogous

#3FB3A2 #3F8AB3 #3F50B3

triadic

#3F8AB3 #B33F8A #8AB33F

tetradic

#3F8AB3 #A23FB3 #B3683F #50B33F

square

#3F8AB3 #A23FB3 #B3683F #50B33F

split-complementary

#3F8AB3 #B33F50 #B3A23F

monochromatic

#1F4458 #2F6786 #3F8AB3 #66A6C9 #93C0D9

Accessibility & contrast

On white

3.82

#3F8AB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.50

#3F8AB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8AB3

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8AB3	#FFFFFF	#000000	##000000
##3F8AB3	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)

#7689B5

Deuteranopia (green-blind)

#667DB2

Tritanopia (blue-blind)

#009598

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3f8ab3;
/* rgb */ color: rgb(63, 138, 179);
/* oklch */ color: oklch(60.4% 0.097 235.5);

Tailwind

colors: {
  custom: {
    50: '#80acca',
    500: '#3f8ab3',
    950: '#000000',
  },
}

SCSS

$custom: #3f8ab3;
$custom-light: #80acca;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8ab3",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 179
  },
  "hsl": {
    "h": 201.207,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.60354,
    "c": 0.09673,
    "h": 235.5
  },
  "luminance": 0.22488
}

Semantic roles & 50–950 ramp

primary

#3F8AB3

secondary

#C49E89

accent

#8050D8

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3F8AB3

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

Preview Lab → · Contrast checker → · Palette generator →