#104B51#104B51

#104B51 is a dark, muted teal. Relative luminance 0.057; OKLCH L 38.0% C 0.058 H 205.1°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#104B51
RGB	rgb(16, 75, 81)
HSL	hsl(186, 67%, 19%)
HSV	hsv(186, 80%, 32%)
CMYK	cmyk(80.2%, 7.4%, 0%, 68.2%)
CIE-LAB	lab(28.74, -15.86, -8.91)
CIE-LCH	lch(28.74, 18.19, 209.32°)
OKLab	oklab(37.96% -0.0527 -0.0247)
OKLCH	oklch(37.96% 0.058 205.1)
XYZ	xyz(4.2143, 5.7359, 8.6680)
Luminance	0.0574 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#104B51 #511610

analogous

#105137 #104B51 #102B51

triadic

#104B51 #51104B #4B5110

tetradic

#104B51 #371051 #511610 #2B5110

square

#104B51 #371051 #511610 #2B5110

split-complementary

#104B51 #51102B #513710

monochromatic

#05181A #061C1E #104B51 #1A7A84 #24AAB7

Accessibility & contrast

On white

9.78

#104B51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#104B51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #104B51

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##104B51	#FFFFFF	#000000	##FFFFFF
##104B51	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444851

Deuteranopia (green-blind)

#3B4151

Tritanopia (blue-blind)

#004F4D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #104b51;
/* rgb */ color: rgb(16, 75, 81);
/* oklch */ color: oklch(38.0% 0.058 205.1);

Tailwind

colors: {
  custom: {
    50: '#5b7d81',
    500: '#104b51',
    950: '#000000',
  },
}

SCSS

$custom: #104b51;
$custom-light: #5b7d81;
$custom-dark: #000000;

JSON

{
  "hex": "#104b51",
  "rgb": {
    "r": 16,
    "g": 75,
    "b": 81
  },
  "hsl": {
    "h": 185.538,
    "s": 67.01,
    "l": 19.02
  },
  "oklch": {
    "l": 0.37956,
    "c": 0.05826,
    "h": 205.1
  },
  "luminance": 0.05736
}

Semantic roles & 50–950 ramp

primary

#104B51

secondary

#8B3A32

accent

#4E3EEA

background

#F5F7F7

surface

#E9EEEE

border

#C5C9C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #104B51

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

Preview Lab → · Contrast checker → · Palette generator →