#010A2D#010A2D

#010A2D is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.073 H 263.3°. Best body text is #FFFFFF at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#010A2D
RGB	rgb(1, 10, 45)
HSL	hsl(228, 96%, 9%)
HSV	hsv(228, 98%, 18%)
CMYK	cmyk(97.8%, 77.8%, 0%, 82.4%)
CIE-LAB	lab(3.73, 8.28, -23.06)
CIE-LCH	lch(3.73, 24.50, 289.75°)
OKLab	oklab(16.49% -0.0086 -0.0724)
OKLCH	oklch(16.49% 0.073 263.3)
XYZ	xyz(0.5945, 0.4129, 2.5305)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.64

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010A2D #2D2401

analogous

#01202D #010A2D #0E012D

triadic

#010A2D #2D010A #0A2D01

tetradic

#010A2D #2D0120 #2D2401 #012D0E

square

#010A2D #2D0120 #2D2401 #012D0E

split-complementary

#010A2D #2D0E01 #202D01

monochromatic

#01071E #01071E #010A2D #021769 #0425A5

Accessibility & contrast

On white

19.40

#010A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010A2D

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010A2D	#FFFFFF	#000000	##FFFFFF
##010A2D	1.00	19.40	1.08	19.40
#FFFFFF	19.40	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102E

Deuteranopia (green-blind)

#000B2C

Tritanopia (blue-blind)

#00131A

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #010a2d;
/* rgb */ color: rgb(1, 10, 45);
/* oklch */ color: oklch(16.5% 0.073 263.3);

Tailwind

colors: {
  custom: {
    50: '#484b66',
    500: '#010a2d',
    950: '#000000',
  },
}

SCSS

$custom: #010a2d;
$custom-light: #484b66;
$custom-dark: #000000;

JSON

{
  "hex": "#010a2d",
  "rgb": {
    "r": 1,
    "g": 10,
    "b": 45
  },
  "hsl": {
    "h": 227.727,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.16488,
    "c": 0.07293,
    "h": 263.3
  },
  "luminance": 0.00413
}

Semantic roles & 50–950 ramp

primary

#010A2D

secondary

#736017

accent

#D329FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010A2D

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

Preview Lab → · Contrast checker → · Palette generator →