#150306
Closest named color: Very Dark Brown (#1D0200). oklch(13.8% 0.038 9), rgb(21, 3, 6).
Aa
White text reads best on this color (20.04:1).
About this color
#150306 is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.038 and its hue 9°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.029 away. White text reads best on it, at 20.04:1.
| Hue family | Reds |
| Lightness | very dark (14%) |
| Chroma | muted (0.038) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.04:1 |
| White text | 20.04:1 |
Values
| HEX | #150306 |
| RGB | rgb(21, 3, 6) |
| HSL | hsl(350, 75%, 5%) |
| OKLCH | oklch(13.8% 0.038 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 #150306 | 20.04:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #150306 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #150306 text on white | 20.04:1 | AAA | Lc 105.8 | Preferred for body text |
| #150306 text on black | 1.04:1 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E6E8
oklch(93.5% 0.013 5.8)
-
Step 200
200
#E9D3D6
oklch(88.6% 0.025 8.2)
-
Step 300
300
#DCB5BA
oklch(80.9% 0.046 9.5)
-
Step 400
400
#C88E97
oklch(70.6% 0.071 8.8)
-
Step 500
500
#B9727E
oklch(63.2% 0.091 9)
-
Step 600
600
#A45967
oklch(55.6% 0.099 8.9)
-
Step 700
700
#8C4956
oklch(49.1% 0.091 8.7)
-
Step 800
800
#723C46
oklch(42.7% 0.076 9)
-
Step 900
900
#5D343B
oklch(37.8% 0.06 9.3)
-
Step 950
950 (this color)
#150306
oklch(13.8% 0.038 9)
#150306 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) | #060606 | 0.041 |
| Deuteranopia (no green cones) | #0A0906 | 0.038 |
| Tritanopia (no blue cones) | #180204 | 0.010 |
| Achromatopsia (no color) | #080808 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #150306
#150306
oklch(13.8% 0.038 9)
- #000C0B
#000C0B
oklch(13.9% 0.024 189.5)
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 #150306, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.029
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.073
- Midnight #03012D ΔE 0.101
- Rich Black #0D1B2A ΔE 0.101
- Dark Maroon #3C0008 ΔE 0.102
- Dark Navy Blue #00022E ΔE 0.106
- Very Dark Purple #2A0134 ΔE 0.108
Use #150306 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.