#340F03
Closest named color: Deep Brown (#410200). oklch(22.8% 0.064 39.8), rgb(52, 15, 3).
Aa
White text reads best on this color (17.27:1).
About this color
#340F03 is a very dark, muted red. In OKLCH its lightness is 23%, its chroma 0.064 and its hue 40°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Brown (#410200), ΔE 0.035 away. White text reads best on it, at 17.27:1.
| Hue family | Reds |
| Lightness | very dark (23%) |
| Chroma | muted (0.064) |
| Temperature | warm |
| Nearest name | Deep Brown (#410200) |
| Black text | 1.21:1 |
| White text | 17.27:1 |
Values
| HEX | #340F03 |
| RGB | rgb(52, 15, 3) |
| HSL | hsl(15, 89%, 11%) |
| OKLCH | oklch(22.8% 0.064 39.8) |
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 #340F03 | 17.27:1 | AAA | Lc -106.2 | Preferred for body text |
| Black text on #340F03 | 1.21:1 | Fails | Lc 0.0 | Not readable |
| #340F03 text on white | 17.27:1 | AAA | Lc 103.8 | Preferred for body text |
| #340F03 text on black | 1.21:1 | 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
#FCF3F0
oklch(97% 0.011 39.4)
-
Step 100
100
#F8E5DF
oklch(93.5% 0.022 38.3)
-
Step 200
200
#F3D0C5
oklch(88.4% 0.042 38.2)
-
Step 300
300
#ECB19C
oklch(81% 0.075 40.5)
-
Step 400
400
#E08565
oklch(70.7% 0.121 40)
-
Step 500
500
#D56339
oklch(63.2% 0.155 40)
-
Step 600
600
#C0450F
oklch(55.5% 0.168 39.7)
-
Step 700
700
#A53600
oklch(49% 0.155 39.6)
-
Step 800
800
#862E07
oklch(42.7% 0.129 39.9)
-
Step 900
900
#6C2A11
oklch(37.6% 0.101 39.8)
-
Step 950
950 (this color)
#340F03
oklch(22.8% 0.064 39.8)
#340F03 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) | #1A1602 | 0.062 |
| Deuteranopia (no green cones) | #231E02 | 0.057 |
| Tritanopia (no blue cones) | #3A060C | 0.029 |
| Achromatopsia (no color) | #1B1B1B | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #340F03
#340F03
oklch(22.8% 0.064 39.8)
- #00212A
#00212A
oklch(22.9% 0.042 219.6)
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 #340F03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Brown #410200 ΔE 0.035
- Dark Maroon #3C0008 ΔE 0.037
- Dark Brown #341C02 ΔE 0.037
- Chocolate Brown #411900 ΔE 0.044
- Mahogany #4A0100 ΔE 0.053
- Very Dark Brown #1D0200 ΔE 0.077
- Jet #212529 ΔE 0.080
- Dark Plum #3F012C ΔE 0.087
Use #340F03 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.