#0A403C#0A403C

#0A403C is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.7% C 0.054 H 187.4°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#0A403C
RGB	rgb(10, 64, 60)
HSL	hsl(176, 73%, 15%)
HSV	hsv(176, 84%, 25%)
CMYK	cmyk(84.4%, 0%, 6.2%, 74.9%)
CIE-LAB	lab(23.86, -17.87, -2.47)
CIE-LCH	lch(23.86, 18.04, 187.87°)
OKLab	oklab(33.7% -0.0534 -0.007)
OKLCH	oklch(33.7% 0.054 187.4)
XYZ	xyz(2.7738, 4.0572, 4.9110)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A403C #400A0E

analogous

#0A4021 #0A403C #0A2940

triadic

#0A403C #3C0A40 #403C0A

tetradic

#0A403C #210A40 #400A0E #29400A

square

#0A403C #210A40 #400A0E #29400A

split-complementary

#0A403C #400A29 #40210A

monochromatic

#041A19 #041A19 #0A403C #12756E #1BAA9F

Accessibility & contrast

On white

11.59

#0A403C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A403C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A403C

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A403C	#FFFFFF	#000000	##FFFFFF
##0A403C	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3C

Deuteranopia (green-blind)

#34363D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a403c;
/* rgb */ color: rgb(10, 64, 60);
/* oklch */ color: oklch(33.7% 0.054 187.4);

Tailwind

colors: {
  custom: {
    50: '#547571',
    500: '#0a403c',
    950: '#000000',
  },
}

SCSS

$custom: #0a403c;
$custom-light: #547571;
$custom-dark: #000000;

JSON

{
  "hex": "#0a403c",
  "rgb": {
    "r": 10,
    "g": 64,
    "b": 60
  },
  "hsl": {
    "h": 175.556,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33704,
    "c": 0.05381,
    "h": 187.4
  },
  "luminance": 0.04058
}

Semantic roles & 50–950 ramp

primary

#0A403C

secondary

#7D292F

accent

#3846F0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #0A403C

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

Preview Lab → · Contrast checker → · Palette generator →