#000515
Closest named color: Almost Black (#070D0D). oklch(11.9% 0.042 256.9), rgb(0, 5, 21).
Aa
White text reads best on this color (20.33:1).
About this color
#000515 is a very dark, muted blue. In OKLCH its lightness is 12%, its chroma 0.042 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Almost Black (#070D0D), ΔE 0.051 away. White text reads best on it, at 20.33:1.
| Hue family | Blues |
| Lightness | very dark (12%) |
| Chroma | muted (0.042) |
| Temperature | cool |
| Nearest name | Almost Black (#070D0D) |
| Black text | 1.03:1 |
| White text | 20.33:1 |
Values
| HEX | #000515 |
| RGB | rgb(0, 5, 21) |
| HSL | hsl(226, 100%, 4%) |
| OKLCH | oklch(11.9% 0.042 256.9) |
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 #000515 | 20.33:1 | AAA | Lc -107.8 | Preferred for body text |
| Black text on #000515 | 1.03:1 | Fails | Lc 0.0 | Not readable |
| #000515 text on white | 20.33:1 | AAA | Lc 105.9 | Preferred for body text |
| #000515 text on black | 1.03:1 | 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
#F3F6FA
oklch(97.2% 0.006 255.5)
-
Step 100
100
#E4EAF4
oklch(93.5% 0.015 260.7)
-
Step 200
200
#CEDAEC
oklch(88.5% 0.028 258.4)
-
Step 300
300
#ADC2E1
oklch(80.8% 0.05 258)
-
Step 400
400
#81A3D2
oklch(70.8% 0.079 256.6)
-
Step 500
500
#618BC7
oklch(63.1% 0.102 257.3)
-
Step 600
600
#4774B3
oklch(55.6% 0.111 257)
-
Step 700
700
#38619A
oklch(49% 0.103 256.9)
-
Step 800
800
#2F507D
oklch(42.8% 0.085 256.5)
-
Step 900
900
#2A4264
oklch(37.6% 0.066 257.2)
-
Step 950
950 (this color)
#000515
oklch(11.9% 0.042 256.9)
#000515 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) | #000616 | 0.006 |
| Deuteranopia (no green cones) | #000515 | 0.000 |
| Tritanopia (no blue cones) | #00080B | 0.031 |
| Achromatopsia (no color) | #050505 | 0.042 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #000515
#000515
oklch(11.9% 0.042 256.9)
- #0A0500
#0A0500
oklch(12.1% 0.025 82.3)
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 #000515, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Almost Black #070D0D ΔE 0.051
- Midnight #03012D ΔE 0.053
- Dark Navy Blue #00022E ΔE 0.054
- Rich Navy #001219 ΔE 0.056
- Very Dark Blue #000133 ΔE 0.064
- Dark Navy #000435 ΔE 0.068
- Very Dark Brown #1D0200 ΔE 0.095
- Rich Black #0D1B2A ΔE 0.099
Use #000515 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.