#0A252D#0A252D

#0A252D is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.8% C 0.036 H 220.6°. Best body text is #FFFFFF at 15.96:1 contrast (WCAG AA passes).

Color values

HEX	#0A252D
RGB	rgb(10, 37, 45)
HSL	hsl(194, 64%, 11%)
HSV	hsv(194, 78%, 18%)
CMYK	cmyk(77.8%, 17.8%, 0%, 82.4%)
CIE-LAB	lab(13.09, -7.04, -8.31)
CIE-LCH	lch(13.09, 10.90, 229.72°)
OKLab	oklab(24.79% -0.027 -0.0231)
OKLCH	oklch(24.79% 0.036 220.6)
XYZ	xyz(1.2602, 1.5770, 2.7201)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A252D #2D120A

analogous

#0A2D23 #0A252D #0A132D

triadic

#0A252D #2D0A25 #252D0A

tetradic

#0A252D #230A2D #2D120A #132D0A

square

#0A252D #230A2D #2D120A #132D0A

split-complementary

#0A252D #2D0A13 #2D230A

monochromatic

#061519 #061519 #0A252D #154E5F #207791

Accessibility & contrast

On white

15.96

#0A252D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A252D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A252D

15.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A252D	#FFFFFF	#000000	##FFFFFF
##0A252D	1.00	15.96	1.32	15.96
#FFFFFF	15.96	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20242D

Deuteranopia (green-blind)

#1B202D

Tritanopia (blue-blind)

#002828

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a252d;
/* rgb */ color: rgb(10, 37, 45);
/* oklch */ color: oklch(24.8% 0.036 220.6);

Tailwind

colors: {
  custom: {
    50: '#4e5f65',
    500: '#0a252d',
    950: '#000000',
  },
}

SCSS

$custom: #0a252d;
$custom-light: #4e5f65;
$custom-dark: #000000;

JSON

{
  "hex": "#0a252d",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 45
  },
  "hsl": {
    "h": 193.714,
    "s": 63.636,
    "l": 10.784
  },
  "oklch": {
    "l": 0.24794,
    "c": 0.0356,
    "h": 220.6
  },
  "luminance": 0.01577
}

Semantic roles & 50–950 ramp

primary

#0A252D

secondary

#6A3829

accent

#6741E7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020405

muted

#78797A

Preview Lab

Preview with #0A252D

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

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