#103A40#103A40

#103A40 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.3% C 0.046 H 208.4°. Best body text is #FFFFFF at 12.34:1 contrast (WCAG AA passes).

Color values

HEX	#103A40
RGB	rgb(16, 58, 64)
HSL	hsl(188, 60%, 16%)
HSV	hsv(188, 75%, 25%)
CMYK	cmyk(75%, 9.4%, 0%, 74.9%)
CIE-LAB	lab(21.97, -12.00, -7.96)
CIE-LCH	lch(21.97, 14.40, 213.56°)
OKLab	oklab(32.27% -0.0408 -0.0221)
OKLCH	oklch(32.27% 0.046 208.4)
XYZ	xyz(2.6518, 3.5061, 5.3865)
Luminance	0.0351 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103A40 #401610

analogous

#10402E #103A40 #102240

triadic

#103A40 #40103A #3A4010

tetradic

#103A40 #2E1040 #401610 #224010

square

#103A40 #2E1040 #401610 #224010

split-complementary

#103A40 #401022 #402E10

monochromatic

#061618 #061618 #103A40 #1C6671 #2893A2

Accessibility & contrast

On white

12.34

#103A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#103A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103A40

12.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103A40	#FFFFFF	#000000	##FFFFFF
##103A40	1.00	12.34	1.70	12.34
#FFFFFF	12.34	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343840

Deuteranopia (green-blind)

#2D3240

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #103a40;
/* rgb */ color: rgb(16, 58, 64);
/* oklch */ color: oklch(32.3% 0.046 208.4);

Tailwind

colors: {
  custom: {
    50: '#567074',
    500: '#103a40',
    950: '#000000',
  },
}

SCSS

$custom: #103a40;
$custom-light: #567074;
$custom-dark: #000000;

JSON

{
  "hex": "#103a40",
  "rgb": {
    "r": 16,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 187.5,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32265,
    "c": 0.04638,
    "h": 208.4
  },
  "luminance": 0.03506
}

Semantic roles & 50–950 ramp

primary

#103A40

secondary

#7A3B32

accent

#5845E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #103A40

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

Preview Lab → · Contrast checker → · Palette generator →