#103F3B#103F3B

#103F3B is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.5% C 0.050 H 187.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#103F3B
RGB	rgb(16, 63, 59)
HSL	hsl(175, 59%, 15%)
HSV	hsv(175, 75%, 25%)
CMYK	cmyk(74.6%, 0%, 6.3%, 75.3%)
CIE-LAB	lab(23.61, -16.66, -2.16)
CIE-LCH	lch(23.61, 16.80, 187.39°)
OKLab	oklab(33.53% -0.0497 -0.0061)
OKLCH	oklch(33.53% 0.05 187)
XYZ	xyz(2.7802, 3.9806, 4.7586)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103F3B #3F1014

analogous

#103F23 #103F3B #102B3F

triadic

#103F3B #3B103F #3F3B10

tetradic

#103F3B #23103F #3F1014 #2B3F10

square

#103F3B #23103F #3F1014 #2B3F10

split-complementary

#103F3B #3F102B #3F2310

monochromatic

#061817 #061817 #103F3B #1C7069 #29A196

Accessibility & contrast

On white

11.69

#103F3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#103F3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103F3B

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103F3B	#FFFFFF	#000000	##FFFFFF
##103F3B	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3B3B

Deuteranopia (green-blind)

#34363B

Tritanopia (blue-blind)

#00413E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #103f3b;
/* rgb */ color: rgb(16, 63, 59);
/* oklch */ color: oklch(33.5% 0.050 187.0);

Tailwind

colors: {
  custom: {
    50: '#567470',
    500: '#103f3b',
    950: '#000000',
  },
}

SCSS

$custom: #103f3b;
$custom-light: #567470;
$custom-dark: #000000;

JSON

{
  "hex": "#103f3b",
  "rgb": {
    "r": 16,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 174.894,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.3353,
    "c": 0.05006,
    "h": 187
  },
  "luminance": 0.03981
}

Semantic roles & 50–950 ramp

primary

#103F3B

secondary

#793238

accent

#4553E3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #103F3B

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

Preview Lab → · Contrast checker → · Palette generator →