#1F4E53#1F4E53

#1F4E53 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.4% C 0.051 H 204.8°. Best body text is #FFFFFF at 9.24:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E53
RGB	rgb(31, 78, 83)
HSL	hsl(186, 46%, 22%)
HSV	hsv(186, 63%, 33%)
CMYK	cmyk(62.7%, 6%, 0%, 67.5%)
CIE-LAB	lab(30.31, -14.17, -7.77)
CIE-LCH	lch(30.31, 16.16, 208.73°)
OKLab	oklab(39.38% -0.0465 -0.0215)
OKLCH	oklch(39.38% 0.051 204.8)
XYZ	xyz(4.8502, 6.3641, 9.1547)
Luminance	0.0636 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E53 #53241F

analogous

#1F533E #1F4E53 #1F3453

triadic

#1F4E53 #531F4E #4E531F

tetradic

#1F4E53 #3E1F53 #53241F #34531F

square

#1F4E53 #3E1F53 #53241F #34531F

split-complementary

#1F4E53 #531F34 #533E1F

monochromatic

#081516 #0E2426 #1F4E53 #307880 #40A2AC

Accessibility & contrast

On white

9.24

#1F4E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1F4E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E53

9.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E53	#FFFFFF	#000000	##FFFFFF
##1F4E53	1.00	9.24	2.27	9.24
#FFFFFF	9.24	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484B53

Deuteranopia (green-blind)

#404553

Tritanopia (blue-blind)

#00514F

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4e53;
/* rgb */ color: rgb(31, 78, 83);
/* oklch */ color: oklch(39.4% 0.051 204.8);

Tailwind

colors: {
  custom: {
    50: '#617f83',
    500: '#1f4e53',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e53;
$custom-light: #617f83;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e53",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 83
  },
  "hsl": {
    "h": 185.769,
    "s": 45.614,
    "l": 22.353
  },
  "oklch": {
    "l": 0.39383,
    "c": 0.05126,
    "h": 204.8
  },
  "luminance": 0.06365
}

Semantic roles & 50–950 ramp

primary

#1F4E53

secondary

#884C46

accent

#5F53D5

background

#F5F7F8

surface

#EAEEEF

border

#C6C9CA

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F4E53

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

Preview Lab → · Contrast checker → · Palette generator →