#103D3F#103D3F

#103D3F is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.048 H 199.3°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX	#103D3F
RGB	rgb(16, 61, 63)
HSL	hsl(183, 59%, 15%)
HSV	hsv(183, 75%, 25%)
CMYK	cmyk(74.6%, 3.2%, 0%, 75.3%)
CIE-LAB	lab(23.02, -14.15, -5.70)
CIE-LCH	lch(23.02, 15.26, 201.95°)
OKLab	oklab(33.1% -0.045 -0.0158)
OKLCH	oklch(33.1% 0.048 199.3)
XYZ	xyz(2.7792, 3.8062, 5.2899)
Luminance	0.0381 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103D3F #3F1210

analogous

#103F29 #103D3F #10253F

triadic

#103D3F #3F103D #3D3F10

tetradic

#103D3F #29103F #3F1210 #253F10

square

#103D3F #29103F #3F1210 #253F10

split-complementary

#103D3F #3F1025 #3F2910

monochromatic

#061818 #061818 #103D3F #1C6C70 #299CA1

Accessibility & contrast

On white

11.92

#103D3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#103D3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103D3F

11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103D3F	#FFFFFF	#000000	##FFFFFF
##103D3F	1.00	11.92	1.76	11.92
#FFFFFF	11.92	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A3F

Deuteranopia (green-blind)

#31353F

Tritanopia (blue-blind)

#003F3D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #103d3f;
/* rgb */ color: rgb(16, 61, 63);
/* oklch */ color: oklch(33.1% 0.048 199.3);

Tailwind

colors: {
  custom: {
    50: '#567274',
    500: '#103d3f',
    950: '#000000',
  },
}

SCSS

$custom: #103d3f;
$custom-light: #567274;
$custom-dark: #000000;

JSON

{
  "hex": "#103d3f",
  "rgb": {
    "r": 16,
    "g": 61,
    "b": 63
  },
  "hsl": {
    "h": 182.553,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.33102,
    "c": 0.04774,
    "h": 199.3
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary

#103D3F

secondary

#793532

accent

#4C45E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #103D3F

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

Preview Lab → · Contrast checker → · Palette generator →