#3F7CAB#3F7CAB

#3F7CAB is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.6% C 0.097 H 244.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#3F7CAB
RGB	rgb(63, 124, 171)
HSL	hsl(206, 46%, 46%)
HSV	hsv(206, 63%, 67%)
CMYK	cmyk(63.2%, 27.5%, 0%, 32.9%)
CIE-LAB	lab(49.99, -4.93, -30.88)
CIE-LCH	lch(49.99, 31.27, 260.94°)
OKLab	oklab(56.63% -0.0424 -0.0869)
OKLCH	oklch(56.63% 0.097 244)
XYZ	xyz(16.6055, 18.4107, 41.1987)
Luminance	0.1841 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7CAB #AB6E3F

analogous

#3FABA4 #3F7CAB #3F46AB

triadic

#3F7CAB #AB3F7C #7CAB3F

tetradic

#3F7CAB #A43FAB #AB6E3F #46AB3F

square

#3F7CAB #A43FAB #AB6E3F #46AB3F

split-complementary

#3F7CAB #AB3F46 #ABA43F

monochromatic

#1E3B52 #2F5C7E #3F7CAB #629AC5 #8FB7D6

Accessibility & contrast

On white

4.48

#3F7CAB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#3F7CAB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CAB

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7CAB	#FFFFFF	#000000	##000000
##3F7CAB	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#677DAD

Deuteranopia (green-blind)

#5972AA

Tritanopia (blue-blind)

#00878C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3f7cab;
/* rgb */ color: rgb(63, 124, 171);
/* oklch */ color: oklch(56.6% 0.097 244.0);

Tailwind

colors: {
  custom: {
    50: '#7ea1c4',
    500: '#3f7cab',
    950: '#000000',
  },
}

SCSS

$custom: #3f7cab;
$custom-light: #7ea1c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7cab",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 171
  },
  "hsl": {
    "h": 206.111,
    "s": 46.154,
    "l": 45.882
  },
  "oklch": {
    "l": 0.56634,
    "c": 0.09669,
    "h": 244
  },
  "luminance": 0.18412
}

Semantic roles & 50–950 ramp

primary

#3F7CAB

secondary

#C19F85

accent

#8B52D6

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0F12

muted

#7C7E81

Preview Lab

Preview with #3F7CAB

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

Preview Lab → · Contrast checker → · Palette generator →