#010E2B#010E2B

#010E2B is a very dark, moderate blue. Relative luminance 0.005; OKLCH L 17.3% C 0.063 H 259.8°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#010E2B
RGB	rgb(1, 14, 43)
HSL	hsl(221, 95%, 9%)
HSV	hsv(221, 98%, 17%)
CMYK	cmyk(97.7%, 67.4%, 0%, 83.1%)
CIE-LAB	lab(4.47, 5.53, -20.38)
CIE-LCH	lch(4.47, 21.12, 285.18°)
OKLab	oklab(17.29% -0.0113 -0.0624)
OKLCH	oklch(17.29% 0.063 259.8)
XYZ	xyz(0.6054, 0.4949, 2.3486)
Luminance	0.0050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.35

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010E2B #2B1E01

analogous

#01232B #010E2B #09012B

triadic

#010E2B #2B010E #0E2B01

tetradic

#010E2B #2B0123 #2B1E01 #012B09

square

#010E2B #2B0123 #2B1E01 #012B09

split-complementary

#010E2B #2B0901 #232B01

monochromatic

#010A1E #010A1E #010E2B #022167 #0435A3

Accessibility & contrast

On white

19.11

#010E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#010E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010E2B

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010E2B	#FFFFFF	#000000	##FFFFFF
##010E2B	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00122C

Deuteranopia (green-blind)

#000D2A

Tritanopia (blue-blind)

#00151A

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #010e2b;
/* rgb */ color: rgb(1, 14, 43);
/* oklch */ color: oklch(17.3% 0.063 259.8);

Tailwind

colors: {
  custom: {
    50: '#484d64',
    500: '#010e2b',
    950: '#000000',
  },
}

SCSS

$custom: #010e2b;
$custom-light: #484d64;
$custom-dark: #000000;

JSON

{
  "hex": "#010e2b",
  "rgb": {
    "r": 1,
    "g": 14,
    "b": 43
  },
  "hsl": {
    "h": 221.429,
    "s": 95.455,
    "l": 8.627
  },
  "oklch": {
    "l": 0.17292,
    "c": 0.0634,
    "h": 259.8
  },
  "luminance": 0.00495
}

Semantic roles & 50–950 ramp

primary

#010E2B

secondary

#715517

accent

#BD29FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #010E2B

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

Preview Lab → · Contrast checker → · Palette generator →