#0A404D#0A404D

#0A404D is a dark, muted cyan. Relative luminance 0.043; OKLCH L 34.5% C 0.057 H 218.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A404D
RGB	rgb(10, 64, 77)
HSL	hsl(192, 77%, 17%)
HSV	hsv(192, 87%, 30%)
CMYK	cmyk(87%, 16.9%, 0%, 69.8%)
CIE-LAB	lab(24.53, -11.64, -12.71)
CIE-LCH	lch(24.53, 17.24, 227.52°)
OKLab	oklab(34.47% -0.0447 -0.0355)
OKLCH	oklch(34.47% 0.057 218.5)
XYZ	xyz(3.2976, 4.2667, 7.6695)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A404D #4D170A

analogous

#0A4D39 #0A404D #0A1F4D

triadic

#0A404D #4D0A40 #404D0A

tetradic

#0A404D #390A4D #4D170A #1F4D0A

square

#0A404D #390A4D #4D170A #1F4D0A

split-complementary

#0A404D #4D0A1F #4D390A

monochromatic

#04171B #04171B #0A404D #116D83 #189AB9

Accessibility & contrast

On white

11.33

#0A404D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0A404D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A404D

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A404D	#FFFFFF	#000000	##FFFFFF
##0A404D	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383E4E

Deuteranopia (green-blind)

#2F374D

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0a404d;
/* rgb */ color: rgb(10, 64, 77);
/* oklch */ color: oklch(34.5% 0.057 218.5);

Tailwind

colors: {
  custom: {
    50: '#57757e',
    500: '#0a404d',
    950: '#000000',
  },
}

SCSS

$custom: #0a404d;
$custom-light: #57757e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a404d",
  "rgb": {
    "r": 10,
    "g": 64,
    "b": 77
  },
  "hsl": {
    "h": 191.642,
    "s": 77.011,
    "l": 17.059
  },
  "oklch": {
    "l": 0.34474,
    "c": 0.05712,
    "h": 218.5
  },
  "luminance": 0.04267
}

Semantic roles & 50–950 ramp

primary

#0A404D

secondary

#8A3C29

accent

#5934F4

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #0A404D

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

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