#3F8FAB#3F8FAB

#3F8FAB is a mid, moderate cyan. Relative luminance 0.236; OKLCH L 61.2% C 0.088 H 224.1°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F8FAB
RGB	rgb(63, 143, 171)
HSL	hsl(196, 46%, 46%)
HSV	hsv(196, 63%, 67%)
CMYK	cmyk(63.2%, 16.4%, 0%, 32.9%)
CIE-LAB	lab(55.73, -15.68, -22.00)
CIE-LCH	lch(55.73, 27.02, 234.52°)
OKLab	oklab(61.19% -0.0632 -0.0613)
OKLCH	oklch(61.19% 0.088 224.1)
XYZ	xyz(19.2201, 23.6400, 42.0702)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8FAB #AB5B3F

analogous

#3FAB91 #3F8FAB #3F59AB

triadic

#3F8FAB #AB3F8F #8FAB3F

tetradic

#3F8FAB #913FAB #AB5B3F #59AB3F

square

#3F8FAB #913FAB #AB5B3F #59AB3F

split-complementary

#3F8FAB #AB3F59 #AB913F

monochromatic

#1E4452 #2F6A7E #3F8FAB #62ABC5 #8FC3D6

Accessibility & contrast

On white

3.67

#3F8FAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#3F8FAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FAB

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8FAB	#FFFFFF	#000000	##000000
##3F8FAB	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8CAC

Deuteranopia (green-blind)

#7081AB

Tritanopia (blue-blind)

#009898

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #3f8fab;
/* rgb */ color: rgb(63, 143, 171);
/* oklch */ color: oklch(61.2% 0.088 224.1);

Tailwind

colors: {
  custom: {
    50: '#7fafc4',
    500: '#3f8fab',
    950: '#000000',
  },
}

SCSS

$custom: #3f8fab;
$custom-light: #7fafc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8fab",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 171
  },
  "hsl": {
    "h": 195.556,
    "s": 46.154,
    "l": 45.882
  },
  "oklch": {
    "l": 0.61193,
    "c": 0.08808,
    "h": 224.1
  },
  "luminance": 0.23642
}

Semantic roles & 50–950 ramp

primary

#3F8FAB

secondary

#C19585

accent

#7452D6

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1012

muted

#7C7F81

Preview Lab

Preview with #3F8FAB

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

Preview Lab → · Contrast checker → · Palette generator →