#103B40#103B40

#103B40 is a dark, muted teal. Relative luminance 0.036; OKLCH L 32.6% C 0.047 H 206.1°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#103B40
RGB	rgb(16, 59, 64)
HSL	hsl(186, 60%, 16%)
HSV	hsv(186, 75%, 25%)
CMYK	cmyk(75%, 7.8%, 0%, 74.9%)
CIE-LAB	lab(22.33, -12.61, -7.41)
CIE-LCH	lch(22.33, 14.62, 210.45°)
OKLab	oklab(32.56% -0.042 -0.0206)
OKLCH	oklch(32.56% 0.047 206.1)
XYZ	xyz(2.7027, 3.6080, 5.4035)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#103B40 #401510

analogous

#10402D #103B40 #102340

triadic

#103B40 #40103B #3B4010

tetradic

#103B40 #2D1040 #401510 #234010

square

#103B40 #2D1040 #401510 #234010

split-complementary

#103B40 #401023 #402D10

monochromatic

#061718 #061718 #103B40 #1C6871 #2895A2

Accessibility & contrast

On white

12.20

#103B40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#103B40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #103B40

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##103B40	#FFFFFF	#000000	##FFFFFF
##103B40	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#363840

Deuteranopia (green-blind)

#2E3340

Tritanopia (blue-blind)

#003E3C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #103b40;
/* rgb */ color: rgb(16, 59, 64);
/* oklch */ color: oklch(32.6% 0.047 206.1);

Tailwind

colors: {
  custom: {
    50: '#567174',
    500: '#103b40',
    950: '#000000',
  },
}

SCSS

$custom: #103b40;
$custom-light: #567174;
$custom-dark: #000000;

JSON

{
  "hex": "#103b40",
  "rgb": {
    "r": 16,
    "g": 59,
    "b": 64
  },
  "hsl": {
    "h": 186.25,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.32558,
    "c": 0.04679,
    "h": 206.1
  },
  "luminance": 0.03608
}

Semantic roles & 50–950 ramp

primary

#103B40

secondary

#7A3932

accent

#5545E3

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #103B40

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

Preview Lab → · Contrast checker → · Palette generator →