Dirty Blue#3F829D

#3F829D is a mid, moderate cyan. Relative luminance 0.195; OKLCH L 57.4% C 0.079 H 227.0°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Dirty Blue — editorial page

Color values

HEX	#3F829D
RGB	rgb(63, 130, 157)
HSL	hsl(197, 43%, 43%)
HSV	hsv(197, 60%, 62%)
CMYK	cmyk(59.9%, 17.2%, 0%, 38.4%)
CIE-LAB	lab(51.22, -12.98, -20.85)
CIE-LCH	lch(51.22, 24.56, 238.10°)
OKLab	oklab(57.41% -0.0541 -0.0581)
OKLCH	oklch(57.41% 0.079 227)
XYZ	xyz(16.1160, 19.4548, 34.7976)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F829D #9D5A3F

analogous

#3F9D89 #3F829D #3F539D

triadic

#3F829D #9D3F82 #829D3F

tetradic

#3F829D #893F9D #9D5A3F #539D3F

square

#3F829D #893F9D #9D5A3F #539D3F

split-complementary

#3F829D #9D3F53 #9D893F

monochromatic

#1C3A46 #2D5E71 #3F829D #5CA1BD #87BACF

Accessibility & contrast

On white

4.29

#3F829D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#3F829D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F829D

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F829D	#FFFFFF	#000000	##000000
##3F829D	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74809E

Deuteranopia (green-blind)

#66769D

Tritanopia (blue-blind)

#008A8B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3f829d;
/* rgb */ color: rgb(63, 130, 157);
/* oklch */ color: oklch(57.4% 0.079 227.0);

Tailwind

colors: {
  custom: {
    50: '#7da6ba',
    500: '#3f829d',
    950: '#000000',
  },
}

SCSS

$custom: #3f829d;
$custom-light: #7da6ba;
$custom-dark: #000000;

JSON

{
  "hex": "#3f829d",
  "rgb": {
    "r": 63,
    "g": 130,
    "b": 157
  },
  "hsl": {
    "h": 197.234,
    "s": 42.727,
    "l": 43.137
  },
  "oklch": {
    "l": 0.5741,
    "c": 0.07941,
    "h": 227
  },
  "luminance": 0.19456
}

Semantic roles & 50–950 ramp

primary

#3F829D

secondary

#BA8F7E

accent

#7955D3

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #3F829D

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

Preview Lab → · Contrast checker → · Palette generator →