#230901
Closest named color: Very Dark Brown (#1D0200). oklch(18.2% 0.049 43.9), rgb(35, 9, 1).
Aa
White text reads best on this color (18.90:1).
About this color
#230901 is a very dark, muted brown. In OKLCH its lightness is 18%, its chroma 0.049 and its hue 44°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.032 away. White text reads best on it, at 18.90:1.
| Hue family | Browns |
| Lightness | very dark (18%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.11:1 |
| White text | 18.90:1 |
Values
| HEX | #230901 |
| RGB | rgb(35, 9, 1) |
| HSL | hsl(14, 94%, 7%) |
| OKLCH | oklch(18.2% 0.049 43.9) |
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 #230901 | 18.90:1 | AAA | Lc -107.2 | Preferred for body text |
| Black text on #230901 | 1.11:1 | Fails | Lc 0.0 | Not readable |
| #230901 text on white | 18.90:1 | AAA | Lc 105.1 | Preferred for body text |
| #230901 text on black | 1.11:1 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E1
oklch(93.7% 0.016 46.6)
-
Step 200
200
#EDD3C8
oklch(88.5% 0.033 44.3)
-
Step 300
300
#E2B5A3
oklch(80.9% 0.058 42.9)
-
Step 400
400
#D28E70
oklch(70.8% 0.093 44.6)
-
Step 500
500
#C4704A
oklch(63.1% 0.119 44.4)
-
Step 600
600
#B0562C
oklch(55.6% 0.13 43.9)
-
Step 700
700
#97461F
oklch(49.2% 0.12 44)
-
Step 800
800
#7A3A1C
oklch(42.7% 0.099 44)
-
Step 900
900
#63321D
oklch(37.6% 0.078 43.1)
-
Step 950
950 (this color)
#230901
oklch(18.2% 0.049 43.9)
#230901 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) | #100D00 | 0.048 |
| Deuteranopia (no green cones) | #171301 | 0.041 |
| Tritanopia (no blue cones) | #280407 | 0.026 |
| Achromatopsia (no color) | #111111 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #230901
#230901
oklch(18.2% 0.049 43.9)
- #00151D
#00151D
oklch(18.2% 0.034 223.7)
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 #230901, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.032
- Almost Black #070D0D ΔE 0.065
- Dark Maroon #3C0008 ΔE 0.066
- Deep Brown #410200 ΔE 0.074
- Dark Brown #341C02 ΔE 0.074
- Rich Navy #001219 ΔE 0.082
- Rich Black #0D1B2A ΔE 0.090
- Chocolate Brown #411900 ΔE 0.091
Use #230901 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.