#1F424F#1F424F

#1F424F is a dark, muted cyan. Relative luminance 0.048; OKLCH L 35.9% C 0.046 H 224.6°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#1F424F
RGB	rgb(31, 66, 79)
HSL	hsl(196, 44%, 22%)
HSV	hsv(196, 61%, 31%)
CMYK	cmyk(60.8%, 16.5%, 0%, 69%)
CIE-LAB	lab(26.02, -8.29, -11.69)
CIE-LCH	lch(26.02, 14.34, 234.65°)
OKLab	oklab(35.89% -0.0329 -0.0325)
OKLCH	oklch(35.89% 0.046 224.6)
XYZ	xyz(3.9240, 4.7519, 8.1060)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F424F #4F2C1F

analogous

#1F4F44 #1F424F #1F2A4F

triadic

#1F424F #4F1F42 #424F1F

tetradic

#1F424F #441F4F #4F2C1F #2A4F1F

square

#1F424F #441F4F #4F2C1F #2A4F1F

split-complementary

#1F424F #4F1F2A #4F441F

monochromatic

#091216 #0E1D23 #1F424F #30677B #418BA7

Accessibility & contrast

On white

10.77

#1F424F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#1F424F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F424F

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F424F	#FFFFFF	#000000	##FFFFFF
##1F424F	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4150

Deuteranopia (green-blind)

#343B4F

Tritanopia (blue-blind)

#004646

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1f424f;
/* rgb */ color: rgb(31, 66, 79);
/* oklch */ color: oklch(35.9% 0.046 224.6);

Tailwind

colors: {
  custom: {
    50: '#5f7680',
    500: '#1f424f',
    950: '#000000',
  },
}

SCSS

$custom: #1f424f;
$custom-light: #5f7680;
$custom-dark: #000000;

JSON

{
  "hex": "#1f424f",
  "rgb": {
    "r": 31,
    "g": 66,
    "b": 79
  },
  "hsl": {
    "h": 196.25,
    "s": 43.636,
    "l": 21.569
  },
  "oklch": {
    "l": 0.35885,
    "c": 0.04623,
    "h": 224.6
  },
  "luminance": 0.04752
}

Semantic roles & 50–950 ramp

primary

#1F424F

secondary

#845746

accent

#7754D3

background

#F5F7F7

surface

#EAEDEE

border

#C6C8C9

text

#05080A

muted

#797B7C

Preview Lab

Preview with #1F424F

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

Preview Lab → · Contrast checker → · Palette generator →