#3F7A91#3F7A91

#3F7A91 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.071 H 225.8°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3F7A91
RGB	rgb(63, 122, 145)
HSL	hsl(197, 39%, 41%)
HSV	hsv(197, 57%, 57%)
CMYK	cmyk(56.6%, 15.9%, 0%, 43.1%)
CIE-LAB	lab(48.28, -12.29, -18.32)
CIE-LCH	lch(48.28, 22.06, 236.16°)
OKLab	oklab(54.92% -0.0495 -0.0509)
OKLCH	oklch(54.92% 0.071 225.8)
XYZ	xyz(14.1183, 17.0189, 29.3235)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7A91 #91563F

analogous

#3F917F #3F7A91 #3F5191

triadic

#3F7A91 #913F7A #7A913F

tetradic

#3F7A91 #7F3F91 #91563F #51913F

square

#3F7A91 #7F3F91 #91563F #51913F

split-complementary

#3F7A91 #913F51 #917F3F

monochromatic

#1A323C #2C5666 #3F7A91 #579BB6 #82B5C9

Accessibility & contrast

On white

4.77

#3F7A91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3F7A91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7A91

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7A91	#FFFFFF	#000000	##FFFFFF
##3F7A91	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7892

Deuteranopia (green-blind)

#626F91

Tritanopia (blue-blind)

#008181

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3f7a91;
/* rgb */ color: rgb(63, 122, 145);
/* oklch */ color: oklch(54.9% 0.071 225.8);

Tailwind

colors: {
  custom: {
    50: '#7ba0b1',
    500: '#3f7a91',
    950: '#000000',
  },
}

SCSS

$custom: #3f7a91;
$custom-light: #7ba0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7a91",
  "rgb": {
    "r": 63,
    "g": 122,
    "b": 145
  },
  "hsl": {
    "h": 196.829,
    "s": 39.423,
    "l": 40.784
  },
  "oklch": {
    "l": 0.54917,
    "c": 0.07104,
    "h": 225.8
  },
  "luminance": 0.1702
}

Semantic roles & 50–950 ramp

primary

#3F7A91

secondary

#B38979

accent

#7A58CF

background

#F7F9FA

surface

#EEF2F5

border

#C9CCCF

text

#0A0E10

muted

#7C7E7F

Preview Lab

Preview with #3F7A91

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

Preview Lab → · Contrast checker → · Palette generator →