#3F7EA7#3F7EA7

#3F7EA7 is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 56.9% C 0.091 H 239.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F7EA7
RGB	rgb(63, 126, 167)
HSL	hsl(204, 45%, 45%)
HSV	hsv(204, 62%, 65%)
CMYK	cmyk(62.3%, 24.6%, 0%, 34.5%)
CIE-LAB	lab(50.41, -7.44, -27.90)
CIE-LCH	lch(50.41, 28.87, 255.08°)
OKLab	oklab(56.91% -0.0459 -0.0783)
OKLCH	oklch(56.91% 0.091 239.6)
XYZ	xyz(16.4832, 18.7669, 39.3054)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7EA7 #A7683F

analogous

#3FA79C #3F7EA7 #3F4AA7

triadic

#3F7EA7 #A73F7E #7EA73F

tetradic

#3F7EA7 #9C3FA7 #A7683F #4AA73F

square

#3F7EA7 #9C3FA7 #A7683F #4AA73F

split-complementary

#3F7EA7 #A73F4A #A79C3F

monochromatic

#1D3B4E #2E5C7B #3F7EA7 #609CC3 #8DB8D4

Accessibility & contrast

On white

4.42

#3F7EA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#3F7EA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EA7

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7EA7	#FFFFFF	#000000	##000000
##3F7EA7	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7EA9

Deuteranopia (green-blind)

#5D73A6

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f7ea7;
/* rgb */ color: rgb(63, 126, 167);
/* oklch */ color: oklch(56.9% 0.091 239.6);

Tailwind

colors: {
  custom: {
    50: '#7ea3c1',
    500: '#3f7ea7',
    950: '#000000',
  },
}

SCSS

$custom: #3f7ea7;
$custom-light: #7ea3c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7ea7",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 167
  },
  "hsl": {
    "h": 203.654,
    "s": 45.217,
    "l": 45.098
  },
  "oklch": {
    "l": 0.5691,
    "c": 0.09077,
    "h": 239.6
  },
  "luminance": 0.18768
}

Semantic roles & 50–950 ramp

primary

#3F7EA7

secondary

#BF9B83

accent

#8653D5

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0B0F12

muted

#7C7F81

Preview Lab

Preview with #3F7EA7

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

Preview Lab → · Contrast checker → · Palette generator →