#0A1E4E#0A1E4E

#0A1E4E is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.4% C 0.092 H 263.9°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#0A1E4E
RGB	rgb(10, 30, 78)
HSL	hsl(222, 77%, 17%)
HSV	hsv(222, 87%, 31%)
CMYK	cmyk(87.2%, 61.5%, 0%, 69.4%)
CIE-LAB	lab(12.88, 12.73, -31.83)
CIE-LCH	lch(12.88, 34.28, 291.80°)
OKLab	oklab(25.35% -0.0098 -0.0919)
OKLCH	oklch(25.35% 0.092 263.9)
XYZ	xyz(1.9641, 1.5429, 7.4005)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A1E4E #4E3A0A

analogous

#0A404E #0A1E4E #180A4E

triadic

#0A1E4E #4E0A1E #1E4E0A

tetradic

#0A1E4E #4E0A40 #4E3A0A #0A4E18

square

#0A1E4E #4E0A40 #4E3A0A #0A4E18

split-complementary

#0A1E4E #4E180A #404E0A

monochromatic

#030A1B #030A1B #0A1E4E #113384 #1848BA

Accessibility & contrast

On white

16.05

#0A1E4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A1E4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A1E4E

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A1E4E	#FFFFFF	#000000	##FFFFFF
##0A1E4E	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002550

Deuteranopia (green-blind)

#001E4D

Tritanopia (blue-blind)

#002A32

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a1e4e;
/* rgb */ color: rgb(10, 30, 78);
/* oklch */ color: oklch(25.4% 0.092 263.9);

Tailwind

colors: {
  custom: {
    50: '#565980',
    500: '#0a1e4e',
    950: '#000000',
  },
}

SCSS

$custom: #0a1e4e;
$custom-light: #565980;
$custom-dark: #000000;

JSON

{
  "hex": "#0a1e4e",
  "rgb": {
    "r": 10,
    "g": 30,
    "b": 78
  },
  "hsl": {
    "h": 222.353,
    "s": 77.273,
    "l": 17.255
  },
  "oklch": {
    "l": 0.25352,
    "c": 0.09241,
    "h": 263.9
  },
  "luminance": 0.01543
}

Semantic roles & 50–950 ramp

primary

#0A1E4E

secondary

#8B6E29

accent

#BB34F4

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#03030A

muted

#78787C

Preview Lab

Preview with #0A1E4E

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

Preview Lab → · Contrast checker → · Palette generator →