#3F7DAA#3F7DAA

#3F7DAA is a mid, moderate cyan. Relative luminance 0.186; OKLCH L 56.8% C 0.095 H 242.5°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3F7DAA
RGB	rgb(63, 125, 170)
HSL	hsl(205, 46%, 46%)
HSV	hsv(205, 63%, 67%)
CMYK	cmyk(62.9%, 26.5%, 0%, 33.3%)
CIE-LAB	lab(50.25, -5.85, -29.90)
CIE-LCH	lch(50.25, 30.47, 258.93°)
OKLab	oklab(56.82% -0.0438 -0.0841)
OKLCH	oklch(56.82% 0.095 242.5)
XYZ	xyz(16.6365, 18.6246, 40.7406)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7DAA #AA6C3F

analogous

#3FAAA1 #3F7DAA #3F47AA

triadic

#3F7DAA #AA3F7D #7DAA3F

tetradic

#3F7DAA #A13FAA #AA6C3F #47AA3F

square

#3F7DAA #A13FAA #AA6C3F #47AA3F

split-complementary

#3F7DAA #AA3F47 #AAA13F

monochromatic

#1E3B51 #2E5C7D #3F7DAA #629BC5 #8EB7D5

Accessibility & contrast

On white

4.44

#3F7DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#3F7DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7DAA

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7DAA	#FFFFFF	#000000	##000000
##3F7DAA	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAC

Deuteranopia (green-blind)

#5A73A9

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #3f7daa;
/* rgb */ color: rgb(63, 125, 170);
/* oklch */ color: oklch(56.8% 0.095 242.5);

Tailwind

colors: {
  custom: {
    50: '#7ea2c3',
    500: '#3f7daa',
    950: '#000000',
  },
}

SCSS

$custom: #3f7daa;
$custom-light: #7ea2c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7daa",
  "rgb": {
    "r": 63,
    "g": 125,
    "b": 170
  },
  "hsl": {
    "h": 205.234,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56821,
    "c": 0.0948,
    "h": 242.5
  },
  "luminance": 0.18626
}

Semantic roles & 50–950 ramp

primary

#3F7DAA

secondary

#C09E85

accent

#8952D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #3F7DAA

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

Preview Lab → · Contrast checker → · Palette generator →