#010523#010523

#010523 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.8% C 0.065 H 265.3°. Best body text is #FFFFFF at 20.05:1 contrast (WCAG AA passes).

Color values

HEX	#010523
RGB	rgb(1, 5, 35)
HSL	hsl(233, 94%, 7%)
HSV	hsv(233, 97%, 14%)
CMYK	cmyk(97.1%, 85.7%, 0%, 86.3%)
CIE-LAB	lab(2.13, 5.96, -17.88)
CIE-LCH	lch(2.13, 18.85, 288.43°)
OKLab	oklab(13.79% -0.0053 -0.0653)
OKLCH	oklch(13.79% 0.065 265.3)
XYZ	xyz(0.3701, 0.2363, 1.6159)
Luminance	0.0024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.02

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010523 #231F01

analogous

#011623 #010523 #0E0123

triadic

#010523 #230105 #052301

tetradic

#010523 #230116 #231F01 #01230E

square

#010523 #230116 #231F01 #01230E

split-complementary

#010523 #230E01 #162301

monochromatic

#01041E #01041E #010523 #030E5F #04169A

Accessibility & contrast

On white

20.05

#010523 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#010523 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010523

20.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010523	#FFFFFF	#000000	##FFFFFF
##010523	1.00	20.05	1.05	20.05
#FFFFFF	20.05	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A24

Deuteranopia (green-blind)

#000622

Tritanopia (blue-blind)

#000D12

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #010523;
/* rgb */ color: rgb(1, 5, 35);
/* oklch */ color: oklch(13.8% 0.065 265.3);

Tailwind

colors: {
  custom: {
    50: '#46495e',
    500: '#010523',
    950: '#000000',
  },
}

SCSS

$custom: #010523;
$custom-light: #46495e;
$custom-dark: #000000;

JSON

{
  "hex": "#010523",
  "rgb": {
    "r": 1,
    "g": 5,
    "b": 35
  },
  "hsl": {
    "h": 232.941,
    "s": 94.444,
    "l": 7.059
  },
  "oklch": {
    "l": 0.13792,
    "c": 0.06549,
    "h": 265.3
  },
  "luminance": 0.00236
}

Semantic roles & 50–950 ramp

primary

#010523

secondary

#6A6016

accent

#E629FF

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #010523

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

Preview Lab → · Contrast checker → · Palette generator →