#3F679B#3F679B

#3F679B is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.8% C 0.095 H 255.6°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F679B
RGB	rgb(63, 103, 155)
HSL	hsl(214, 42%, 43%)
HSV	hsv(214, 59%, 61%)
CMYK	cmyk(59.4%, 33.5%, 0%, 39.2%)
CIE-LAB	lab(42.95, 2.30, -32.52)
CIE-LCH	lch(42.95, 32.60, 274.04°)
OKLab	oklab(50.85% -0.0237 -0.0918)
OKLCH	oklch(50.85% 0.095 255.6)
XYZ	xyz(12.8144, 13.1227, 32.8616)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F679B #9B733F

analogous

#3F959B #3F679B #453F9B

triadic

#3F679B #9B3F67 #679B3F

tetradic

#3F679B #9B3F95 #9B733F #3F9B45

square

#3F679B #9B3F95 #9B733F #3F9B45

split-complementary

#3F679B #9B453F #959B3F

monochromatic

#1C2D44 #2D4A6F #3F679B #5B85BC #86A6CE

Accessibility & contrast

On white

5.79

#3F679B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3F679B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F679B

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F679B	#FFFFFF	#000000	##FFFFFF
##3F679B	1.00	5.79	3.62	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#516A9D

Deuteranopia (green-blind)

#45619A

Tritanopia (blue-blind)

#00737A

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f679b;
/* rgb */ color: rgb(63, 103, 155);
/* oklch */ color: oklch(50.8% 0.095 255.6);

Tailwind

colors: {
  custom: {
    50: '#7c92b8',
    500: '#3f679b',
    950: '#000000',
  },
}

SCSS

$custom: #3f679b;
$custom-light: #7c92b8;
$custom-dark: #000000;

JSON

{
  "hex": "#3f679b",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 155
  },
  "hsl": {
    "h": 213.913,
    "s": 42.202,
    "l": 42.745
  },
  "oklch": {
    "l": 0.50848,
    "c": 0.09483,
    "h": 255.6
  },
  "luminance": 0.13124
}

Semantic roles & 50–950 ramp

primary

#3F679B

secondary

#B89F7D

accent

#9C56D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #3F679B

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

Preview Lab → · Contrast checker → · Palette generator →