#3F7AAF#3F7AAF

#3F7AAF is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.4% C 0.103 H 247.8°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3F7AAF
RGB	rgb(63, 122, 175)
HSL	hsl(208, 47%, 47%)
HSV	hsv(208, 64%, 69%)
CMYK	cmyk(64%, 30.3%, 0%, 31.4%)
CIE-LAB	lab(49.58, -2.38, -33.84)
CIE-LCH	lch(49.58, 33.92, 265.98°)
OKLab	oklab(56.37% -0.0389 -0.0955)
OKLCH	oklch(56.37% 0.103 247.8)
XYZ	xyz(16.7444, 18.0693, 43.1544)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7AAF #AF743F

analogous

#3FAFAC #3F7AAF #3F42AF

triadic

#3F7AAF #AF3F7A #7AAF3F

tetradic

#3F7AAF #AC3FAF #AF743F #42AF3F

square

#3F7AAF #AC3FAF #AF743F #42AF3F

split-complementary

#3F7AAF #AF3F42 #AFAC3F

monochromatic

#1F3B55 #2F5B82 #3F7AAF #6498C7 #91B6D7

Accessibility & contrast

On white

4.55

#3F7AAF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3F7AAF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7AAF

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7AAF	#FFFFFF	#000000	##000000
##3F7AAF	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637CB1

Deuteranopia (green-blind)

#5471AE

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3f7aaf;
/* rgb */ color: rgb(63, 122, 175);
/* oklch */ color: oklch(56.4% 0.103 247.8);

Tailwind

colors: {
  custom: {
    50: '#7fa0c7',
    500: '#3f7aaf',
    950: '#000000',
  },
}

SCSS

$custom: #3f7aaf;
$custom-light: #7fa0c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7aaf",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 175
  },
  "hsl": {
    "h": 208.393,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.56372,
    "c": 0.10314,
    "h": 247.8
  },
  "luminance": 0.18071
}

Semantic roles & 50–950 ramp

primary

#3F7AAF

secondary

#C3A387

accent

#9051D7

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3F7AAF

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

Preview Lab → · Contrast checker → · Palette generator →