#1F4E57#1F4E57

#1F4E57 is a dark, muted teal. Relative luminance 0.064; OKLCH L 39.6% C 0.053 H 212.1°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1F4E57
RGB	rgb(31, 78, 87)
HSL	hsl(190, 47%, 23%)
HSV	hsv(190, 64%, 34%)
CMYK	cmyk(64.4%, 10.3%, 0%, 65.9%)
CIE-LAB	lab(30.47, -12.83, -10.10)
CIE-LCH	lch(30.47, 16.32, 218.20°)
OKLab	oklab(39.56% -0.0446 -0.028)
OKLCH	oklch(39.56% 0.053 212.1)
XYZ	xyz(5.0091, 6.4277, 9.9917)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F4E57 #57281F

analogous

#1F5744 #1F4E57 #1F3257

triadic

#1F4E57 #571F4E #4E571F

tetradic

#1F4E57 #441F57 #57281F #32571F

square

#1F4E57 #441F57 #57281F #32571F

split-complementary

#1F4E57 #571F32 #57441F

monochromatic

#081417 #0F262A #1F4E57 #2F7684 #3F9FB1

Accessibility & contrast

On white

9.19

#1F4E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1F4E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F4E57

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F4E57	#FFFFFF	#000000	##FFFFFF
##1F4E57	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474B58

Deuteranopia (green-blind)

#3E4557

Tritanopia (blue-blind)

#005251

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1f4e57;
/* rgb */ color: rgb(31, 78, 87);
/* oklch */ color: oklch(39.6% 0.053 212.1);

Tailwind

colors: {
  custom: {
    50: '#617f86',
    500: '#1f4e57',
    950: '#000000',
  },
}

SCSS

$custom: #1f4e57;
$custom-light: #617f86;
$custom-dark: #000000;

JSON

{
  "hex": "#1f4e57",
  "rgb": {
    "r": 31,
    "g": 78,
    "b": 87
  },
  "hsl": {
    "h": 189.643,
    "s": 47.458,
    "l": 23.137
  },
  "oklch": {
    "l": 0.39557,
    "c": 0.05268,
    "h": 212.1
  },
  "luminance": 0.06428
}

Semantic roles & 50–950 ramp

primary

#1F4E57

secondary

#8C5146

accent

#6651D7

background

#F6F7F8

surface

#EBEEEF

border

#C6C9CA

text

#050A0B

muted

#7A7C7C

Preview Lab

Preview with #1F4E57

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

Preview Lab → · Contrast checker → · Palette generator →