#010A2E#010A2E

#010A2E is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.6% C 0.075 H 263.4°. Best body text is #FFFFFF at 19.37:1 contrast (WCAG AA passes).

Color values

HEX	#010A2E
RGB	rgb(1, 10, 46)
HSL	hsl(228, 96%, 9%)
HSV	hsv(228, 98%, 18%)
CMYK	cmyk(97.8%, 78.3%, 0%, 82%)
CIE-LAB	lab(3.80, 8.77, -23.70)
CIE-LCH	lch(3.80, 25.27, 290.31°)
OKLab	oklab(16.61% -0.0085 -0.0741)
OKLCH	oklch(16.61% 0.075 263.4)
XYZ	xyz(0.6140, 0.4207, 2.6331)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.33

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#010A2E #2E2501

analogous

#01212E #010A2E #0F012E

triadic

#010A2E #2E010A #0A2E01

tetradic

#010A2E #2E0121 #2E2501 #012E0F

square

#010A2E #2E0121 #2E2501 #012E0F

split-complementary

#010A2E #2E0F01 #212E01

monochromatic

#01071E #01071E #010A2E #02176A #0424A6

Accessibility & contrast

On white

19.37

#010A2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#010A2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #010A2E

19.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##010A2E	#FFFFFF	#000000	##FFFFFF
##010A2E	1.00	19.37	1.08	19.37
#FFFFFF	19.37	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102F

Deuteranopia (green-blind)

#000B2D

Tritanopia (blue-blind)

#00141A

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #010a2e;
/* rgb */ color: rgb(1, 10, 46);
/* oklch */ color: oklch(16.6% 0.075 263.4);

Tailwind

colors: {
  custom: {
    50: '#484b67',
    500: '#010a2e',
    950: '#000000',
  },
}

SCSS

$custom: #010a2e;
$custom-light: #484b67;
$custom-dark: #000000;

JSON

{
  "hex": "#010a2e",
  "rgb": {
    "r": 1,
    "g": 10,
    "b": 46
  },
  "hsl": {
    "h": 228,
    "s": 95.745,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1661,
    "c": 0.07456,
    "h": 263.4
  },
  "luminance": 0.00421
}

Semantic roles & 50–950 ramp

primary

#010A2E

secondary

#746117

accent

#D429FF

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #010A2E

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

Preview Lab → · Contrast checker → · Palette generator →