#3F648D#3F648D

#3F648D is a mid, moderate cyan. Relative luminance 0.121; OKLCH L 49.4% C 0.079 H 252.0°. Best body text is #FFFFFF at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F648D
RGB	rgb(63, 100, 141)
HSL	hsl(212, 38%, 40%)
HSV	hsv(212, 55%, 55%)
CMYK	cmyk(55.3%, 29.1%, 0%, 44.7%)
CIE-LAB	lab(41.36, -0.58, -26.63)
CIE-LCH	lch(41.36, 26.64, 268.74°)
OKLab	oklab(49.38% -0.0243 -0.0748)
OKLCH	oklch(49.38% 0.079 252)
XYZ	xyz(11.4131, 12.0933, 26.9269)
Luminance	0.1209 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F648D #8D683F

analogous

#3F8B8D #3F648D #413F8D

triadic

#3F648D #8D3F64 #648D3F

tetradic

#3F648D #8D3F8B #8D683F #3F8D41

square

#3F648D #8D3F8B #8D683F #3F8D41

split-complementary

#3F648D #8D413F #8B8D3F

monochromatic

#192838 #2C4663 #3F648D #5682B3 #80A1C6

Accessibility & contrast

On white

6.14

#3F648D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.42

#3F648D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F648D

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F648D	#FFFFFF	#000000	##FFFFFF
##3F648D	1.00	6.14	3.42	6.14
#FFFFFF	6.14	1.00	21.00	1.00
#000000	3.42	21.00	1.00	21.00
##FFFFFF	6.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#53668F

Deuteranopia (green-blind)

#495E8C

Tritanopia (blue-blind)

#106D72

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #3f648d;
/* rgb */ color: rgb(63, 100, 141);
/* oklch */ color: oklch(49.4% 0.079 252.0);

Tailwind

colors: {
  custom: {
    50: '#7a90ae',
    500: '#3f648d',
    950: '#000000',
  },
}

SCSS

$custom: #3f648d;
$custom-light: #7a90ae;
$custom-dark: #000000;

JSON

{
  "hex": "#3f648d",
  "rgb": {
    "r": 63,
    "g": 100,
    "b": 141
  },
  "hsl": {
    "h": 211.538,
    "s": 38.235,
    "l": 40
  },
  "oklch": {
    "l": 0.49384,
    "c": 0.07864,
    "h": 252
  },
  "luminance": 0.12094
}

Semantic roles & 50–950 ramp

primary

#3F648D

secondary

#B19577

accent

#975ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #3F648D

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

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