#103A3C#103A3C

#103A3C is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.1% C 0.045 H 199.6°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#103A3C
RGB	rgb(16, 58, 60)
HSL	hsl(183, 58%, 15%)
HSV	hsv(183, 73%, 24%)
CMYK	cmyk(73.3%, 3.3%, 0%, 76.5%)
CIE-LAB	lab(21.81, -13.44, -5.51)
CIE-LCH	lch(21.81, 14.52, 202.29°)
OKLab	oklab(32.08% -0.0428 -0.0153)
OKLCH	oklch(32.08% 0.045 199.6)
XYZ	xyz(2.5420, 3.4622, 4.8084)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A3C #3C1210

analogous

#103C28 #103A3C #10243C

triadic

#103A3C #3C103A #3A3C10

tetradic

#103A3C #28103C #3C1210 #243C10

square

#103A3C #28103C #3C1210 #243C10

split-complementary

#103A3C #3C1024 #3C2810

monochromatic

#061718 #061718 #103A3C #1D696C #2A979D

Accessibility & contrast

On white

12.41

#103A3C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#103A3C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A3C

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A3C	#FFFFFF	#000000	##FFFFFF
##103A3C	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373C

Deuteranopia (green-blind)

#2F323C

Tritanopia (blue-blind)

#003C3A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #103a3c;
/* rgb */ color: rgb(16, 58, 60);
/* oklch */ color: oklch(32.1% 0.045 199.6);

Tailwind

colors: {
  custom: {
    50: '#557071',
    500: '#103a3c',
    950: '#000000',
  },
}

SCSS

$custom: #103a3c;
$custom-light: #557071;
$custom-dark: #000000;

JSON

{
  "hex": "#103a3c",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 60
  },
  "hsl": {
    "h": 182.727,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.32084,
    "c": 0.04547,
    "h": 199.6
  },
  "luminance": 0.03463
}

Semantic roles & 50–950 ramp

primary

#103A3C

secondary

#763532

accent

#4E47E1

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #103A3C

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

Preview Lab → · Contrast checker → · Palette generator →