#103A3F#103A3F

#103A3F is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.046 H 206.3°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#103A3F
RGB	rgb(16, 58, 63)
HSL	hsl(186, 59%, 15%)
HSV	hsv(186, 75%, 25%)
CMYK	cmyk(74.6%, 7.9%, 0%, 75.3%)
CIE-LAB	lab(21.93, -12.37, -7.35)
CIE-LCH	lch(21.93, 14.38, 210.72°)
OKLab	oklab(32.22% -0.0413 -0.0204)
OKLCH	oklch(32.22% 0.046 206.3)
XYZ	xyz(2.6236, 3.4949, 5.2380)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A3F #3F1510

analogous

#103F2C #103A3F #10223F

triadic

#103A3F #3F103A #3A3F10

tetradic

#103A3F #2C103F #3F1510 #223F10

square

#103A3F #2C103F #3F1510 #223F10

split-complementary

#103A3F #3F1022 #3F2C10

monochromatic

#061618 #061618 #103A3F #1C6770 #2994A1

Accessibility & contrast

On white

12.36

#103A3F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#103A3F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A3F

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A3F	#FFFFFF	#000000	##FFFFFF
##103A3F	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373F

Deuteranopia (green-blind)

#2E323F

Tritanopia (blue-blind)

#003D3B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #103a3f;
/* rgb */ color: rgb(16, 58, 63);
/* oklch */ color: oklch(32.2% 0.046 206.3);

Tailwind

colors: {
  custom: {
    50: '#567074',
    500: '#103a3f',
    950: '#000000',
  },
}

SCSS

$custom: #103a3f;
$custom-light: #567074;
$custom-dark: #000000;

JSON

{
  "hex": "#103a3f",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 63
  },
  "hsl": {
    "h": 186.383,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32219,
    "c": 0.04605,
    "h": 206.3
  },
  "luminance": 0.03495
}

Semantic roles & 50–950 ramp

primary

#103A3F

secondary

#793932

accent

#5645E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #103A3F

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

Preview Lab → · Contrast checker → · Palette generator →