#0A252A#0A252A

#0A252A is a very dark, muted teal. Relative luminance 0.016; OKLCH L 24.6% C 0.034 H 211.7°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#0A252A
RGB	rgb(10, 37, 42)
HSL	hsl(189, 62%, 10%)
HSV	hsv(189, 76%, 16%)
CMYK	cmyk(76.2%, 11.9%, 0%, 83.5%)
CIE-LAB	lab(12.95, -8.22, -6.37)
CIE-LCH	lch(12.95, 10.40, 217.76°)
OKLab	oklab(24.64% -0.0286 -0.0177)
OKLCH	oklch(24.64% 0.034 211.7)
XYZ	xyz(1.2045, 1.5547, 2.4267)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A252A #2A0F0A

analogous

#0A2A1F #0A252A #0A152A

triadic

#0A252A #2A0A25 #252A0A

tetradic

#0A252A #1F0A2A #2A0F0A #152A0A

square

#0A252A #1F0A2A #2A0F0A #152A0A

split-complementary

#0A252A #2A0A15 #2A1F0A

monochromatic

#061619 #061619 #0A252A #16515B #227C8D

Accessibility & contrast

On white

16.02

#0A252A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A252A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A252A

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A252A	#FFFFFF	#000000	##FFFFFF
##0A252A	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21232A

Deuteranopia (green-blind)

#1C202A

Tritanopia (blue-blind)

#002727

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a252a;
/* rgb */ color: rgb(10, 37, 42);
/* oklch */ color: oklch(24.6% 0.034 211.7);

Tailwind

colors: {
  custom: {
    50: '#4d5f63',
    500: '#0a252a',
    950: '#000000',
  },
}

SCSS

$custom: #0a252a;
$custom-light: #4d5f63;
$custom-dark: #000000;

JSON

{
  "hex": "#0a252a",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 42
  },
  "hsl": {
    "h": 189.375,
    "s": 61.538,
    "l": 10.196
  },
  "oklch": {
    "l": 0.24638,
    "c": 0.0336,
    "h": 211.7
  },
  "luminance": 0.01555
}

Semantic roles & 50–950 ramp

primary

#0A252A

secondary

#673329

accent

#5C43E5

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #0A252A

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

Preview Lab → · Contrast checker → · Palette generator →