#010F28#010F28

#010F28 is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.3% C 0.057 H 257.2°. Best body text is #FFFFFF at 19.09:1 contrast (WCAG AA passes).

Color values

HEX	#010F28
RGB	rgb(1, 15, 40)
HSL	hsl(218, 95%, 8%)
HSV	hsv(218, 98%, 16%)
CMYK	cmyk(97.5%, 62.5%, 0%, 84.3%)
CIE-LAB	lab(4.53, 3.68, -18.02)
CIE-LCH	lch(4.53, 18.39, 281.54°)
OKLab	oklab(17.27% -0.0126 -0.0553)
OKLCH	oklch(17.27% 0.057 257.2)
XYZ	xyz(0.5662, 0.5012, 2.0740)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010F28 #281A01

analogous

#012228 #010F28 #070128

triadic

#010F28 #28010F #0F2801

tetradic

#010F28 #280122 #281A01 #012807

square

#010F28 #280122 #281A01 #012807

split-complementary

#010F28 #280701 #222801

monochromatic

#010B1E #010B1E #010F28 #022564 #043C9F

Accessibility & contrast

On white

19.09

#010F28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010F28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010F28

19.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010F28	#FFFFFF	#000000	##FFFFFF
##010F28	1.00	19.09	1.10	19.09
#FFFFFF	19.09	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#021229

Deuteranopia (green-blind)

#000E28

Tritanopia (blue-blind)

#001519

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #010f28;
/* rgb */ color: rgb(1, 15, 40);
/* oklch */ color: oklch(17.3% 0.057 257.2);

Tailwind

colors: {
  custom: {
    50: '#474e62',
    500: '#010f28',
    950: '#000000',
  },
}

SCSS

$custom: #010f28;
$custom-light: #474e62;
$custom-dark: #000000;

JSON

{
  "hex": "#010f28",
  "rgb": {
    "r": 1,
    "g": 15,
    "b": 40
  },
  "hsl": {
    "h": 218.462,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.17267,
    "c": 0.05669,
    "h": 257.2
  },
  "luminance": 0.00501
}

Semantic roles & 50–950 ramp

primary

#010F28

secondary

#6F4F16

accent

#B229FF

background

#F4F4F5

surface

#E6E7EA

border

#C2C3C6

text

#000105

muted

#777779

Preview Lab

Preview with #010F28

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

Preview Lab → · Contrast checker → · Palette generator →