#3F7CAA#3F7CAA

#3F7CAA is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.096 H 243.4°. Best body text is #000000 at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CAA
RGB	rgb(63, 124, 170)
HSL	hsl(206, 46%, 46%)
HSV	hsv(206, 63%, 67%)
CMYK	cmyk(62.9%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(49.95, -5.26, -30.37)
CIE-LCH	lch(49.95, 30.82, 260.17°)
OKLab	oklab(56.58% -0.0427 -0.0854)
OKLCH	oklch(56.58% 0.096 243.4)
XYZ	xyz(16.5105, 18.3727, 40.6986)
Luminance	0.1837 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CAA #AA6D3F

analogous

#3FAAA2 #3F7CAA #3F47AA

triadic

#3F7CAA #AA3F7C #7CAA3F

tetradic

#3F7CAA #A23FAA #AA6D3F #47AA3F

square

#3F7CAA #A23FAA #AA6D3F #47AA3F

split-complementary

#3F7CAA #AA3F47 #AAA23F

monochromatic

#1E3B51 #2E5B7D #3F7CAA #629AC5 #8EB7D5

Accessibility & contrast

On white

4.49

#3F7CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.67

#3F7CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CAA

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CAA	#FFFFFF	#000000	##000000
##3F7CAA	1.00	4.49	4.67	4.67
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.67	21.00	1.00	1.00
##000000	4.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687DAC

Deuteranopia (green-blind)

#5972A9

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f7caa;
/* rgb */ color: rgb(63, 124, 170);
/* oklch */ color: oklch(56.6% 0.096 243.4);

Tailwind

colors: {
  custom: {
    50: '#7ea1c3',
    500: '#3f7caa',
    950: '#000000',
  },
}

SCSS

$custom: #3f7caa;
$custom-light: #7ea1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7caa",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 205.794,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56583,
    "c": 0.09552,
    "h": 243.4
  },
  "luminance": 0.18374
}

Semantic roles & 50–950 ramp

primary

#3F7CAA

secondary

#C09E85

accent

#8B52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #3F7CAA

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

Preview Lab → · Contrast checker → · Palette generator →