#103F3A#103F3A

#103F3A is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.050 H 185.1°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#103F3A
RGB	rgb(16, 63, 58)
HSL	hsl(174, 59%, 15%)
HSV	hsv(174, 75%, 25%)
CMYK	cmyk(74.6%, 0%, 7.9%, 75.3%)
CIE-LAB	lab(23.57, -16.99, -1.54)
CIE-LCH	lch(23.57, 17.06, 185.19°)
OKLab	oklab(33.49% -0.0502 -0.0044)
OKLCH	oklch(33.49% 0.05 185.1)
XYZ	xyz(2.7546, 3.9704, 4.6234)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F3A #3F1015

analogous

#103F22 #103F3A #102C3F

triadic

#103F3A #3A103F #3F3A10

tetradic

#103F3A #22103F #3F1015 #2C3F10

square

#103F3A #22103F #3F1015 #2C3F10

split-complementary

#103F3A #3F102C #3F2210

monochromatic

#061816 #061816 #103F3A #1C7067 #29A194

Accessibility & contrast

On white

11.70

#103F3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#103F3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F3A

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F3A	#FFFFFF	#000000	##FFFFFF
##103F3A	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3A

Deuteranopia (green-blind)

#35363B

Tritanopia (blue-blind)

#00413D

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103f3a;
/* rgb */ color: rgb(16, 63, 58);
/* oklch */ color: oklch(33.5% 0.050 185.1);

Tailwind

colors: {
  custom: {
    50: '#567470',
    500: '#103f3a',
    950: '#000000',
  },
}

SCSS

$custom: #103f3a;
$custom-light: #567470;
$custom-dark: #000000;

JSON

{
  "hex": "#103f3a",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 58
  },
  "hsl": {
    "h": 173.617,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33491,
    "c": 0.05044,
    "h": 185.1
  },
  "luminance": 0.03971
}

Semantic roles & 50–950 ramp

primary

#103F3A

secondary

#793239

accent

#4556E3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #103F3A

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

Preview Lab → · Contrast checker → · Palette generator →