#210E19
Closest named color: Rich Black (#0D1B2A). oklch(19.7% 0.037 345.3), rgb(33, 14, 25).
Aa
White text reads best on this color (18.39:1).
About this color
#210E19 is a very dark, muted red. In OKLCH its lightness is 20%, its chroma 0.037 and its hue 345°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.057 away. White text reads best on it, at 18.39:1.
| Hue family | Reds |
| Lightness | very dark (20%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.14:1 |
| White text | 18.39:1 |
Values
| HEX | #210E19 |
| RGB | rgb(33, 14, 25) |
| HSL | hsl(325, 40%, 9%) |
| OKLCH | oklch(19.7% 0.037 345.3) |
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 #210E19 | 18.39:1 | AAA | Lc -107.1 | Preferred for body text |
| Black text on #210E19 | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #210E19 text on white | 18.39:1 | AAA | Lc 104.9 | Preferred for body text |
| #210E19 text on black | 1.14:1 | 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
#F9F4F6
oklch(97.2% 0.006 350.8)
-
Step 100
100
#F1E7EC
oklch(93.7% 0.013 345.5)
-
Step 200
200
#E6D3DD
oklch(88.5% 0.025 344.5)
-
Step 300
300
#D7B6C7
oklch(81% 0.044 345.7)
-
Step 400
400
#C18FAA
oklch(70.6% 0.07 345.4)
-
Step 500
500
#B17396
oklch(63.1% 0.09 345.1)
-
Step 600
600
#9C5B80
oklch(55.7% 0.098 345.6)
-
Step 700
700
#854A6C
oklch(49.1% 0.092 345.4)
-
Step 800
800
#6C3D58
oklch(42.6% 0.076 345.3)
-
Step 900
900
#583548
oklch(37.8% 0.057 346.5)
-
Step 950
950 (this color)
#210E19
oklch(19.7% 0.037 345.3)
#210E19 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) | #0F1219 | 0.040 |
| Deuteranopia (no green cones) | #141519 | 0.035 |
| Tritanopia (no blue cones) | #230E12 | 0.015 |
| Achromatopsia (no color) | #141414 | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210E19
#210E19
oklch(19.7% 0.037 345.3)
- #021A11
#021A11
oklch(19.5% 0.037 166.1)
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 #210E19, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.057
- Very Dark Brown #1D0200 ΔE 0.061
- Almost Black #070D0D ΔE 0.064
- Rich Navy #001219 ΔE 0.066
- Very Dark Purple #2A0134 ΔE 0.069
- Dark Maroon #3C0008 ΔE 0.070
- Midnight Purple #280137 ΔE 0.073
- Dark #1B2431 ΔE 0.076
Use #210E19 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.