#312019
Closest named color: Dark Brown (#341C02). oklch(26.3% 0.03 43.3), rgb(49, 32, 25).
Aa
White text reads best on this color (15.54:1).
About this color
#312019 is a dark close to neutral grey. In OKLCH its lightness is 26%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Dark Brown (#341C02), ΔE 0.030 away. White text reads best on it, at 15.54:1.
| Hue family | Neutrals |
| Lightness | dark (26%) |
| Chroma | close to neutral grey (0.030) |
| Temperature | neutral |
| Nearest name | Dark Brown (#341C02) |
| Black text | 1.35:1 |
| White text | 15.54:1 |
Values
| HEX | #312019 |
| RGB | rgb(49, 32, 25) |
| HSL | hsl(17, 32%, 15%) |
| OKLCH | oklch(26.3% 0.03 43.3) |
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 #312019 | 15.54:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #312019 | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #312019 text on white | 15.54:1 | AAA | Lc 102.4 | Preferred for body text |
| #312019 text on black | 1.35:1 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E4
oklch(93.6% 0.01 48.6)
-
Step 200
200
#E5D5CF
oklch(88.4% 0.02 41.8)
-
Step 300
300
#D5BAAF
oklch(80.9% 0.035 43.5)
-
Step 400
400
#BF9685
oklch(70.7% 0.055 43.6)
-
Step 500
500
#AF7C66
oklch(63.2% 0.072 44.3)
-
Step 600
600
#9A644E
oklch(55.6% 0.078 42.9)
-
Step 700
700
#83533F
oklch(49.1% 0.072 43.3)
-
Step 800
800
#6B4434
oklch(42.7% 0.06 43)
-
Step 900
900
#57392D
oklch(37.6% 0.047 42.6)
-
Step 950
950 (this color)
#312019
oklch(26.3% 0.03 43.3)
#312019 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) | #242218 | 0.027 |
| Deuteranopia (no green cones) | #282519 | 0.024 |
| Tritanopia (no blue cones) | #351D1E | 0.017 |
| Achromatopsia (no color) | #242424 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #312019
#312019
oklch(26.3% 0.03 43.3)
- #14282F
#14282F
oklch(26.3% 0.029 222.5)
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 #312019, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Brown #341C02 ΔE 0.030
- Jet #212529 ΔE 0.038
- Chocolate Brown #411900 ΔE 0.043
- Dark #1B2431 ΔE 0.055
- Oxford Blue #1B263B ΔE 0.068
- Deep Brown #410200 ΔE 0.070
- Space Cadet #2B2D42 ΔE 0.073
- Dark Maroon #3C0008 ΔE 0.074
Use #312019 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.