#1F2001
Closest named color: Dark Brown (#341C02). oklch(23.5% 0.05 111.4), rgb(31, 32, 1).
Aa
White text reads best on this color (16.59:1).
About this color
#1F2001 is a very dark, muted brown. In OKLCH its lightness is 23%, its chroma 0.050 and its hue 111°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Brown (#341C02), ΔE 0.046 away. White text reads best on it, at 16.59:1.
| Hue family | Browns |
| Lightness | very dark (23%) |
| Chroma | muted (0.050) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.59:1 |
Values
| HEX | #1F2001 |
| RGB | rgb(31, 32, 1) |
| HSL | hsl(62, 94%, 6%) |
| OKLCH | oklch(23.5% 0.05 111.4) |
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 #1F2001 | 16.59:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #1F2001 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #1F2001 text on white | 16.59:1 | AAA | Lc 103.5 | Preferred for body text |
| #1F2001 text on black | 1.26:1 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#EAEBDE
oklch(93.6% 0.017 110.3)
-
Step 200
200
#D9DCC3
oklch(88.5% 0.034 112.6)
-
Step 300
300
#C1C599
oklch(80.9% 0.059 111.9)
-
Step 400
400
#A2A65F
oklch(70.6% 0.094 111.4)
-
Step 500
500
#8C902B
oklch(63.1% 0.121 111.6)
-
Step 600
600
#767900
oklch(55.5% 0.122 111.5)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#434506
oklch(37.6% 0.079 111.6)
-
Step 950
950 (this color)
#1F2001
oklch(23.5% 0.05 111.4)
#1F2001 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) | #241E00 | 0.011 |
| Deuteranopia (no green cones) | #241F02 | 0.011 |
| Tritanopia (no blue cones) | #221D1A | 0.046 |
| Achromatopsia (no color) | #1E1E1E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2001
#1F2001
oklch(23.5% 0.05 111.4)
- #1E1934
#1E1934
oklch(23.4% 0.051 290.4)
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 #1F2001, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.046
- Dark Forest Green #002D04 ΔE 0.054
- Very Dark Green #062E03 ΔE 0.055
- Jet #212529 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.074
- Dark #1B2431 ΔE 0.078
- Pakistan Green #283618 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.082
Use #1F2001 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.