#1F4E50#1F4E50

#1F4E50 is a dark, muted teal. Relative luminance 0.063; OKLCH L 39.3% C 0.051 H 199.1°. Best body text is #FFFFFF at 9.28:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E50
RGB	rgb(31, 78, 80)
HSL	hsl(182, 44%, 22%)
HSV	hsv(182, 61%, 31%)
CMYK	cmyk(61.2%, 2.5%, 0%, 68.6%)
CIE-LAB	lab(30.20, -15.15, -6.01)
CIE-LCH	lch(30.20, 16.30, 201.64°)
OKLab	oklab(39.26% -0.048 -0.0166)
OKLCH	oklch(39.26% 0.051 199.1)
XYZ	xyz(4.7368, 6.3188, 8.5579)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E50 #50211F

analogous

#1F503A #1F4E50 #1F3650

triadic

#1F4E50 #501F4E #4E501F

tetradic

#1F4E50 #3A1F50 #50211F #36501F

square

#1F4E50 #3A1F50 #50211F #36501F

split-complementary

#1F4E50 #501F36 #503A1F

monochromatic

#091616 #0E2324 #1F4E50 #30797C #41A4A8

Accessibility & contrast

On white

9.28

#1F4E50 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#1F4E50 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E50

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E50	#FFFFFF	#000000	##FFFFFF
##1F4E50	1.00	9.28	2.26	9.28
#FFFFFF	9.28	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494B50

Deuteranopia (green-blind)

#414550

Tritanopia (blue-blind)

#00514E

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1f4e50;
/* rgb */ color: rgb(31, 78, 80);
/* oklch */ color: oklch(39.3% 0.051 199.1);

Tailwind

colors: {
  custom: {
    50: '#617f81',
    500: '#1f4e50',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e50;
$custom-light: #617f81;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e50",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 80
  },
  "hsl": {
    "h": 182.449,
    "s": 44.144,
    "l": 21.765
  },
  "oklch": {
    "l": 0.39257,
    "c": 0.0508,
    "h": 199.1
  },
  "luminance": 0.06319
}

Semantic roles & 50–950 ramp

primary

#1F4E50

secondary

#854946

accent

#5954D4

background

#F5F7F7

surface

#EAEEEE

border

#C6C9C9

text

#050A0A

muted

#797C7C

Preview Lab

Preview with #1F4E50

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

Preview Lab → · Contrast checker → · Palette generator →