#1F2003
Closest named color: Dark Brown (#341C02). oklch(23.5% 0.047 111.4), rgb(31, 32, 3).
Aa
White text reads best on this color (16.58:1).
About this color
#1F2003 is a very dark, muted brown. In OKLCH its lightness is 24%, its chroma 0.047 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 0.045 away. White text reads best on it, at 16.58:1.
| Hue family | Browns |
| Lightness | very dark (24%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.26:1 |
| White text | 16.58:1 |
Values
| HEX | #1F2003 |
| RGB | rgb(31, 32, 3) |
| HSL | hsl(62, 83%, 7%) |
| OKLCH | oklch(23.5% 0.047 111.4) |
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 #1F2003 | 16.58:1 | AAA | Lc -105.9 | Preferred for body text |
| Black text on #1F2003 | 1.26:1 | Fails | Lc 0.0 | Not readable |
| #1F2003 text on white | 16.58:1 | AAA | Lc 103.5 | Preferred for body text |
| #1F2003 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
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#D9DBC4
oklch(88.4% 0.031 111.1)
-
Step 300
300
#C1C59C
oklch(81% 0.056 112.2)
-
Step 400
400
#A2A664
oklch(70.6% 0.088 111.4)
-
Step 500
500
#8C9035
oklch(63.2% 0.114 111.6)
-
Step 600
600
#777900
oklch(55.6% 0.122 110.9)
-
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
#43450E
oklch(37.7% 0.074 111.5)
-
Step 950
950 (this color)
#1F2003
oklch(23.5% 0.047 111.4)
#1F2003 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) | #231E01 | 0.009 |
| Deuteranopia (no green cones) | #241F04 | 0.011 |
| Tritanopia (no blue cones) | #221D1A | 0.043 |
| Achromatopsia (no color) | #1E1E1E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F2003
#1F2003
oklch(23.5% 0.047 111.4)
- #1E1A32
#1E1A32
oklch(23.5% 0.045 290.1)
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 #1F2003, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.045
- Dark Forest Green #002D04 ΔE 0.056
- Very Dark Green #062E03 ΔE 0.056
- Jet #212529 ΔE 0.061
- Chocolate Brown #411900 ΔE 0.074
- Dark #1B2431 ΔE 0.075
- Pakistan Green #283618 ΔE 0.079
- Rich Black #0D1B2A ΔE 0.080
Use #1F2003 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.