#0A2548#0A2548

#0A2548 is a dark, moderate cyan. Relative luminance 0.019; OKLCH L 26.6% C 0.073 H 256.4°. Best body text is #FFFFFF at 15.32:1 contrast (WCAG AA passes).

Color values

HEX	#0A2548
RGB	rgb(10, 37, 72)
HSL	hsl(214, 76%, 16%)
HSV	hsv(214, 86%, 28%)
CMYK	cmyk(86.1%, 48.6%, 0%, 71.8%)
CIE-LAB	lab(14.71, 4.65, -24.75)
CIE-LCH	lch(14.71, 25.19, 280.65°)
OKLab	oklab(26.6% -0.0171 -0.0709)
OKLCH	oklch(26.6% 0.073 256.4)
XYZ	xyz(1.9560, 1.8553, 6.3847)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2548 #482D0A

analogous

#0A4448 #0A2548 #0E0A48

triadic

#0A2548 #480A25 #25480A

tetradic

#0A2548 #480A44 #482D0A #0A480E

square

#0A2548 #480A44 #482D0A #0A480E

split-complementary

#0A2548 #480E0A #44480A

monochromatic

#040E1B #040E1B #0A2548 #11417E #195CB3

Accessibility & contrast

On white

15.32

#0A2548 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0A2548 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2548

15.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2548	#FFFFFF	#000000	##FFFFFF
##0A2548	1.00	15.32	1.37	15.32
#FFFFFF	15.32	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132849

Deuteranopia (green-blind)

#072247

Tritanopia (blue-blind)

#002D33

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0a2548;
/* rgb */ color: rgb(10, 37, 72);
/* oklch */ color: oklch(26.6% 0.073 256.4);

Tailwind

colors: {
  custom: {
    50: '#545f7b',
    500: '#0a2548',
    950: '#000000',
  },
}

SCSS

$custom: #0a2548;
$custom-light: #545f7b;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2548",
  "rgb": {
    "r": 10,
    "g": 37,
    "b": 72
  },
  "hsl": {
    "h": 213.871,
    "s": 75.61,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26599,
    "c": 0.07294,
    "h": 256.4
  },
  "luminance": 0.01856
}

Semantic roles & 50–950 ramp

primary

#0A2548

secondary

#855D29

accent

#A036F2

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#030409

muted

#78797B

Preview Lab

Preview with #0A2548

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

Preview Lab → · Contrast checker → · Palette generator →