#10403F#10403F

#10403F is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.0% C 0.050 H 193.1°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#10403F
RGB	rgb(16, 64, 63)
HSL	hsl(179, 60%, 16%)
HSV	hsv(179, 75%, 25%)
CMYK	cmyk(75%, 0%, 1.6%, 74.9%)
CIE-LAB	lab(24.11, -15.88, -4.07)
CIE-LCH	lch(24.11, 16.40, 194.36°)
OKLab	oklab(33.99% -0.0488 -0.0113)
OKLCH	oklch(33.99% 0.05 193.1)
XYZ	xyz(2.9439, 4.1355, 5.3447)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10403F #401011

analogous

#104027 #10403F #102940

triadic

#10403F #3F1040 #403F10

tetradic

#10403F #271040 #401011 #294010

square

#10403F #271040 #401011 #294010

split-complementary

#10403F #401029 #402710

monochromatic

#061818 #061818 #10403F #1C716F #28A29F

Accessibility & contrast

On white

11.49

#10403F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#10403F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10403F

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10403F	#FFFFFF	#000000	##FFFFFF
##10403F	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3F

Deuteranopia (green-blind)

#34373F

Tritanopia (blue-blind)

#004240

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #10403f;
/* rgb */ color: rgb(16, 64, 63);
/* oklch */ color: oklch(34.0% 0.050 193.1);

Tailwind

colors: {
  custom: {
    50: '#577574',
    500: '#10403f',
    950: '#000000',
  },
}

SCSS

$custom: #10403f;
$custom-light: #577574;
$custom-dark: #000000;

JSON

{
  "hex": "#10403f",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 178.75,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33989,
    "c": 0.05008,
    "h": 193.1
  },
  "luminance": 0.04136
}

Semantic roles & 50–950 ramp

primary

#10403F

secondary

#7A3233

accent

#4548E3

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #10403F

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

Preview Lab → · Contrast checker → · Palette generator →