#0A2443#0A2443

#0A2443 is a dark, moderate cyan. Relative luminance 0.017; OKLCH L 25.9% C 0.066 H 254.8°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#0A2443
RGB	rgb(10, 36, 67)
HSL	hsl(213, 74%, 15%)
HSV	hsv(213, 85%, 26%)
CMYK	cmyk(85.1%, 46.3%, 0%, 73.7%)
CIE-LAB	lab(14.01, 3.15, -22.42)
CIE-LCH	lch(14.01, 22.64, 278.00°)
OKLab	oklab(25.94% -0.0174 -0.064)
OKLCH	oklch(25.94% 0.066 254.8)
XYZ	xyz(1.7688, 1.7313, 5.5501)
Luminance	0.0173 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2443 #43290A

analogous

#0A4043 #0A2443 #0D0A43

triadic

#0A2443 #430A24 #24430A

tetradic

#0A2443 #430A40 #43290A #0A430D

square

#0A2443 #430A40 #43290A #0A430D

split-complementary

#0A2443 #430D0A #40430A

monochromatic

#040E1B #040E1B #0A2443 #124178 #1A5DAE

Accessibility & contrast

On white

15.60

#0A2443 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#0A2443 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2443

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2443	#FFFFFF	#000000	##FFFFFF
##0A2443	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#152644

Deuteranopia (green-blind)

#0B2142

Tritanopia (blue-blind)

#002B30

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #0a2443;
/* rgb */ color: rgb(10, 36, 67);
/* oklch */ color: oklch(25.9% 0.066 254.8);

Tailwind

colors: {
  custom: {
    50: '#535e77',
    500: '#0a2443',
    950: '#000000',
  },
}

SCSS

$custom: #0a2443;
$custom-light: #535e77;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2443",
  "rgb": {
    "r": 10,
    "g": 36,
    "b": 67
  },
  "hsl": {
    "h": 212.632,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25941,
    "c": 0.06636,
    "h": 254.8
  },
  "luminance": 0.01732
}

Semantic roles & 50–950 ramp

primary

#0A2443

secondary

#805829

accent

#9C37F1

background

#F5F5F7

surface

#E8E9ED

border

#C4C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #0A2443

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

Preview Lab → · Contrast checker → · Palette generator →