#0A403D#0A403D

#0A403D is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.7% C 0.054 H 189.3°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#0A403D
RGB	rgb(10, 64, 61)
HSL	hsl(177, 73%, 15%)
HSV	hsv(177, 84%, 25%)
CMYK	cmyk(84.4%, 0%, 4.7%, 74.9%)
CIE-LAB	lab(23.89, -17.53, -3.08)
CIE-LCH	lch(23.89, 17.80, 189.97°)
OKLab	oklab(33.74% -0.0528 -0.0086)
OKLCH	oklch(33.74% 0.054 189.3)
XYZ	xyz(2.8005, 4.0679, 5.0516)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A403D #400A0D

analogous

#0A4022 #0A403D #0A2840

triadic

#0A403D #3D0A40 #403D0A

tetradic

#0A403D #220A40 #400A0D #28400A

square

#0A403D #220A40 #400A0D #28400A

split-complementary

#0A403D #400A28 #40220A

monochromatic

#041A19 #041A19 #0A403D #12756F #1BAAA2

Accessibility & contrast

On white

11.58

#0A403D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A403D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A403D

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A403D	#FFFFFF	#000000	##FFFFFF
##0A403D	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3C3D

Deuteranopia (green-blind)

#34363D

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a403d;
/* rgb */ color: rgb(10, 64, 61);
/* oklch */ color: oklch(33.7% 0.054 189.3);

Tailwind

colors: {
  custom: {
    50: '#547572',
    500: '#0a403d',
    950: '#000000',
  },
}

SCSS

$custom: #0a403d;
$custom-light: #547572;
$custom-dark: #000000;

JSON

{
  "hex": "#0a403d",
  "rgb": {
    "r": 10,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 176.667,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.33744,
    "c": 0.05351,
    "h": 189.3
  },
  "luminance": 0.04068
}

Semantic roles & 50–950 ramp

primary

#0A403D

secondary

#7D292D

accent

#3842F0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A403D

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

Preview Lab → · Contrast checker → · Palette generator →