#10403C#10403C

#10403C is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.051 H 187.1°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#10403C
RGB	rgb(16, 64, 60)
HSL	hsl(175, 60%, 16%)
HSV	hsv(175, 75%, 25%)
CMYK	cmyk(75%, 0%, 6.2%, 74.9%)
CIE-LAB	lab(24.01, -16.89, -2.23)
CIE-LCH	lch(24.01, 17.04, 187.53°)
OKLab	oklab(33.87% -0.0504 -0.0063)
OKLCH	oklch(33.87% 0.051 187.1)
XYZ	xyz(2.8623, 4.1029, 4.9152)
Luminance	0.0410 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10403C #401014

analogous

#104024 #10403C #102C40

triadic

#10403C #3C1040 #403C10

tetradic

#10403C #241040 #401014 #2C4010

square

#10403C #241040 #401014 #2C4010

split-complementary

#10403C #40102C #402410

monochromatic

#061817 #061817 #10403C #1C716A #28A298

Accessibility & contrast

On white

11.53

#10403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#10403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10403C

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10403C	#FFFFFF	#000000	##FFFFFF
##10403C	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3C

Deuteranopia (green-blind)

#35373C

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #10403c;
/* rgb */ color: rgb(16, 64, 60);
/* oklch */ color: oklch(33.9% 0.051 187.1);

Tailwind

colors: {
  custom: {
    50: '#567571',
    500: '#10403c',
    950: '#000000',
  },
}

SCSS

$custom: #10403c;
$custom-light: #567571;
$custom-dark: #000000;

JSON

{
  "hex": "#10403c",
  "rgb": {
    "r": 16,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 175,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.33868,
    "c": 0.05079,
    "h": 187.1
  },
  "luminance": 0.04103
}

Semantic roles & 50–950 ramp

primary

#10403C

secondary

#7A3238

accent

#4552E3

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #10403C

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

Preview Lab → · Contrast checker → · Palette generator →