#0B0523
Closest named color: Midnight (#03012D). oklch(15.1% 0.061 287), rgb(11, 5, 35).
Aa
White text reads best on this color (19.80:1).
About this color
#0B0523 is a very dark, muted purple. In OKLCH its lightness is 15%, its chroma 0.061 and its hue 287°. Its hue sits on the cool side of the wheel. The nearest named color is Midnight (#03012D), ΔE 0.035 away. White text reads best on it, at 19.80:1.
| Hue family | Purples |
| Lightness | very dark (15%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Midnight (#03012D) |
| Black text | 1.06:1 |
| White text | 19.80:1 |
Values
| HEX | #0B0523 |
| RGB | rgb(11, 5, 35) |
| HSL | hsl(252, 75%, 8%) |
| OKLCH | oklch(15.1% 0.061 287) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #0B0523 | 19.80:1 | AAA | Lc -107.6 | Preferred for body text |
| Black text on #0B0523 | 1.06:1 | Fails | Lc 0.0 | Not readable |
| #0B0523 text on white | 19.80:1 | AAA | Lc 105.7 | Preferred for body text |
| #0B0523 text on black | 1.06:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F5F5FC
oklch(97.2% 0.009 286.2)
-
Step 100
100
#E8E8F8
oklch(93.6% 0.022 286)
-
Step 200
200
#D7D6F3
oklch(88.6% 0.04 287.1)
-
Step 300
300
#BDBAEE
oklch(80.9% 0.073 287.3)
-
Step 400
400
#9C95E5
oklch(70.7% 0.116 287.1)
-
Step 500
500
#8579DD
oklch(63.2% 0.147 286.9)
-
Step 600
600
#705FCB
oklch(55.6% 0.161 287.2)
-
Step 700
700
#5E4EAF
oklch(49.1% 0.149 287.2)
-
Step 800
800
#4C408E
oklch(42.6% 0.124 286.9)
-
Step 900
900
#3F3771
oklch(37.6% 0.096 287.1)
-
Step 950
950 (this color)
#0B0523
oklch(15.1% 0.061 287)
#0B0523 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #000B24 | 0.031 |
| Deuteranopia (no green cones) | #000922 | 0.029 |
| Tritanopia (no blue cones) | #040C12 | 0.051 |
| Achromatopsia (no color) | #0A0A0A | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #0B0523
#0B0523
oklch(15.1% 0.061 287)
- #0D0C00
#0D0C00
oklch(15.1% 0.032 106.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #0B0523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Midnight #03012D ΔE 0.035
- Dark Navy Blue #00022E ΔE 0.042
- Dark Navy #000435 ΔE 0.047
- Very Dark Blue #000133 ΔE 0.048
- Rich Navy #001219 ΔE 0.058
- Almost Black #070D0D ΔE 0.062
- Night Blue #040348 ΔE 0.076
- Rich Black #0D1B2A ΔE 0.077
Use #0B0523 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.