#1C403A#1C403A

#1C403A is a dark, muted teal. Relative luminance 0.042; OKLCH L 34.3% C 0.043 H 181.4°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1C403A
RGB	rgb(28, 64, 58)
HSL	hsl(170, 39%, 18%)
HSV	hsv(170, 56%, 25%)
CMYK	cmyk(56.2%, 0%, 9.4%, 74.9%)
CIE-LAB	lab(24.38, -14.73, -0.31)
CIE-LCH	lch(24.38, 14.73, 181.19°)
OKLab	oklab(34.27% -0.0431 -0.0011)
OKLCH	oklch(34.27% 0.043 181.4)
XYZ	xyz(3.0757, 4.2189, 4.6544)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C403A #401C22

analogous

#1C4028 #1C403A #1C3440

triadic

#1C403A #3A1C40 #403A1C

tetradic

#1C403A #281C40 #401C22 #34401C

square

#1C403A #281C40 #401C22 #34401C

split-complementary

#1C403A #401C34 #40281C

monochromatic

#091513 #091513 #1C403A #2F6B61 #419587

Accessibility & contrast

On white

11.39

#1C403A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C403A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C403A

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C403A	#FFFFFF	#000000	##FFFFFF
##1C403A	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3C3A

Deuteranopia (green-blind)

#37383B

Tritanopia (blue-blind)

#0A413E

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c403a;
/* rgb */ color: rgb(28, 64, 58);
/* oklch */ color: oklch(34.3% 0.043 181.4);

Tailwind

colors: {
  custom: {
    50: '#5c7570',
    500: '#1c403a',
    950: '#000000',
  },
}

SCSS

$custom: #1c403a;
$custom-light: #5c7570;
$custom-dark: #000000;

JSON

{
  "hex": "#1c403a",
  "rgb": {
    "r": 28,
    "g": 64,
    "b": 58
  },
  "hsl": {
    "h": 170,
    "s": 39.13,
    "l": 18.039
  },
  "oklch": {
    "l": 0.34272,
    "c": 0.04309,
    "h": 181.4
  },
  "luminance": 0.04219
}

Semantic roles & 50–950 ramp

primary

#1C403A

secondary

#75434B

accent

#596CCF

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#040807

muted

#797B7A

Preview Lab

Preview with #1C403A

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

Preview Lab → · Contrast checker → · Palette generator →