#01052F#01052F

#01052F is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.5% C 0.084 H 265.6°. Best body text is #FFFFFF at 19.74:1 contrast (WCAG AA passes).

Color values

HEX	#01052F
RGB	rgb(1, 5, 47)
HSL	hsl(235, 96%, 9%)
HSV	hsv(235, 98%, 18%)
CMYK	cmyk(97.9%, 89.4%, 0%, 81.6%)
CIE-LAB	lab(2.89, 11.28, -25.89)
CIE-LCH	lch(2.89, 28.24, 293.54°)
OKLab	oklab(15.47% -0.0065 -0.0841)
OKLCH	oklch(15.47% 0.084 265.6)
XYZ	xyz(0.5797, 0.3202, 2.7200)
Luminance	0.0032 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#01052F #2F2B01

analogous

#011C2F #01052F #14012F

triadic

#01052F #2F0105 #052F01

tetradic

#01052F #2F011C #2F2B01 #012F14

square

#01052F #2F011C #2F2B01 #012F14

split-complementary

#01052F #2F1401 #1C2F01

monochromatic

#01031E #01031E #01052F #020B6B #0412A7

Accessibility & contrast

On white

19.74

#01052F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#01052F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #01052F

19.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##01052F	#FFFFFF	#000000	##FFFFFF
##01052F	1.00	19.74	1.06	19.74
#FFFFFF	19.74	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D30

Deuteranopia (green-blind)

#00082E

Tritanopia (blue-blind)

#001119

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #01052f;
/* rgb */ color: rgb(1, 5, 47);
/* oklch */ color: oklch(15.5% 0.084 265.6);

Tailwind

colors: {
  custom: {
    50: '#484968',
    500: '#01052f',
    950: '#000000',
  },
}

SCSS

$custom: #01052f;
$custom-light: #484968;
$custom-dark: #000000;

JSON

{
  "hex": "#01052f",
  "rgb": {
    "r": 1,
    "g": 5,
    "b": 47
  },
  "hsl": {
    "h": 234.783,
    "s": 95.833,
    "l": 9.412
  },
  "oklch": {
    "l": 0.15465,
    "c": 0.08433,
    "h": 265.6
  },
  "luminance": 0.0032
}

Semantic roles & 50–950 ramp

primary

#01052F

secondary

#756D17

accent

#EC29FF

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #01052F

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

Preview Lab → · Contrast checker → · Palette generator →