#150307
Closest named color: Very Dark Brown (#1D0200). oklch(13.9% 0.038 4.9), rgb(21, 3, 7).
Aa
White text reads best on this color (20.03:1).
About this color
#150307 is a very dark, muted red. In OKLCH its lightness is 14%, its chroma 0.038 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.031 away. White text reads best on it, at 20.03:1.
| 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 | 20.03:1 |
Values
| HEX | #150307 |
| RGB | rgb(21, 3, 7) |
| HSL | hsl(347, 75%, 5%) |
| OKLCH | oklch(13.9% 0.038 4.9) |
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 #150307 | 20.03:1 | AAA | Lc -107.7 | Preferred for body text |
| Black text on #150307 | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #150307 text on white | 20.03:1 | AAA | Lc 105.8 | Preferred for body text |
| #150307 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E6E9
oklch(93.5% 0.014 0.3)
-
Step 200
200
#E9D3D7
oklch(88.6% 0.025 5.2)
-
Step 300
300
#DBB5BD
oklch(80.9% 0.045 4)
-
Step 400
400
#C88E9A
oklch(70.7% 0.072 5.4)
-
Step 500
500
#B97182
oklch(63.1% 0.093 4.8)
-
Step 600
600
#A4596B
oklch(55.7% 0.1 5.5)
-
Step 700
700
#8C485A
oklch(49% 0.094 4.3)
-
Step 800
800
#723C49
oklch(42.8% 0.077 5.5)
-
Step 900
900
#5C333D
oklch(37.6% 0.06 4.7)
-
Step 950
950 (this color)
#150307
oklch(13.9% 0.038 4.9)
#150307 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) | #050607 | 0.044 |
| Deuteranopia (no green cones) | #0A0907 | 0.038 |
| Tritanopia (no blue cones) | #180204 | 0.011 |
| Achromatopsia (no color) | #080808 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #150307
#150307
oklch(13.9% 0.038 4.9)
- #000C0A
#000C0A
oklch(13.9% 0.025 184.5)
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 #150307, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.031
- Almost Black #070D0D ΔE 0.050
- Rich Navy #001219 ΔE 0.072
- Midnight #03012D ΔE 0.098
- Rich Black #0D1B2A ΔE 0.100
- Dark Maroon #3C0008 ΔE 0.102
- Dark Navy Blue #00022E ΔE 0.104
- Very Dark Purple #2A0134 ΔE 0.105
Use #150307 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.