#490921
Closest named color: Dark Plum (#3F012C). oklch(27.1% 0.095 4.2), rgb(73, 9, 33).
Aa
White text reads best on this color (15.62:1).
About this color
#490921 is a dark, moderately saturated red. In OKLCH its lightness is 27%, its chroma 0.095 and its hue 4°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Plum (#3F012C), ΔE 0.042 away. White text reads best on it, at 15.62:1.
| Hue family | Reds |
| Lightness | dark (27%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Dark Plum (#3F012C) |
| Black text | 1.34:1 |
| White text | 15.62:1 |
Values
| HEX | #490921 |
| RGB | rgb(73, 9, 33) |
| HSL | hsl(338, 78%, 16%) |
| OKLCH | oklch(27.1% 0.095 4.2) |
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 #490921 | 15.62:1 | AAA | Lc -104.5 | Preferred for body text |
| Black text on #490921 | 1.34:1 | Fails | Lc 0.0 | Not readable |
| #490921 text on white | 15.62:1 | AAA | Lc 101.7 | Preferred for body text |
| #490921 text on black | 1.34:1 | 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
#FFF2F4
oklch(97.2% 0.014 6.7)
-
Step 100
100
#FEE1E7
oklch(93.5% 0.033 3.7)
-
Step 200
200
#FEC9D4
oklch(88.5% 0.062 4.5)
-
Step 300
300
#FEA1B8
oklch(80.8% 0.113 3.9)
-
Step 400
400
#F86893
oklch(70.7% 0.18 4.3)
-
Step 500
500
#F02C79
oklch(63.1% 0.231 4.1)
-
Step 600
600
#D20064
oklch(55.6% 0.224 4.1)
-
Step 700
700
#B20053
oklch(49.1% 0.198 4.4)
-
Step 800
800
#930044
oklch(42.7% 0.172 4)
-
Step 900
900
#7B0238
oklch(37.6% 0.15 4.1)
-
Step 950
950 (this color)
#490921
oklch(27.1% 0.095 4.2)
#490921 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) | #191C22 | 0.108 |
| Deuteranopia (no green cones) | #2A281F | 0.097 |
| Tritanopia (no blue cones) | #500014 | 0.026 |
| Achromatopsia (no color) | #232323 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #490921
#490921
oklch(27.1% 0.095 4.2)
- #002E29
#002E29
oklch(27.1% 0.048 183.6)
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 #490921, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Plum #3F012C ΔE 0.042
- Mahogany #4A0100 ΔE 0.047
- Aubergine #3D0734 ΔE 0.050
- Dark Maroon #3C0008 ΔE 0.053
- Deep Brown #410200 ΔE 0.054
- Burgundy #610023 ΔE 0.055
- Eggplant #380835 ΔE 0.060
- Eggplant Purple #430541 ΔE 0.065
Use #490921 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.