#210907
Closest named color: Very Dark Brown (#1D0200). oklch(18% 0.042 27.6), rgb(33, 9, 7).
Aa
White text reads best on this color (18.97:1).
About this color
#210907 is a very dark, muted red. In OKLCH its lightness is 18%, its chroma 0.042 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.031 away. White text reads best on it, at 18.97:1.
| Hue family | Reds |
| Lightness | very dark (18%) |
| Chroma | muted (0.042) |
| Temperature | warm |
| Nearest name | Very Dark Brown (#1D0200) |
| Black text | 1.10:1 |
| White text | 18.97:1 |
Values
| HEX | #210907 |
| RGB | rgb(33, 9, 7) |
| HSL | hsl(5, 65%, 8%) |
| OKLCH | oklch(18% 0.042 27.6) |
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 #210907 | 18.97:1 | AAA | Lc -107.3 | Preferred for body text |
| Black text on #210907 | 1.10:1 | Fails | Lc 0.0 | Not readable |
| #210907 text on white | 18.97:1 | AAA | Lc 105.2 | Preferred for body text |
| #210907 text on black | 1.10:1 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F3E6E5
oklch(93.5% 0.014 22.8)
-
Step 200
200
#EBD3CF
oklch(88.6% 0.027 29)
-
Step 300
300
#DFB5AF
oklch(80.9% 0.05 27.7)
-
Step 400
400
#CE8E85
oklch(70.8% 0.08 28.1)
-
Step 500
500
#BF7067
oklch(63% 0.102 27.2)
-
Step 600
600
#AB574E
oklch(55.6% 0.112 27.5)
-
Step 700
700
#92473F
oklch(49.1% 0.103 27.7)
-
Step 800
800
#773B34
oklch(42.8% 0.085 28.1)
-
Step 900
900
#60332E
oklch(37.7% 0.066 27.3)
-
Step 950
950 (this color)
#210907
oklch(18% 0.042 27.6)
#210907 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) | #0F0D07 | 0.044 |
| Deuteranopia (no green cones) | #151207 | 0.039 |
| Tritanopia (no blue cones) | #250509 | 0.016 |
| Achromatopsia (no color) | #101010 | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #210907
#210907
oklch(18% 0.042 27.6)
- #001518
#001518
oklch(17.9% 0.031 206.5)
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 #210907, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Very Dark Brown #1D0200 ΔE 0.031
- Almost Black #070D0D ΔE 0.059
- Dark Maroon #3C0008 ΔE 0.067
- Rich Navy #001219 ΔE 0.074
- Deep Brown #410200 ΔE 0.078
- Dark Brown #341C02 ΔE 0.081
- Rich Black #0D1B2A ΔE 0.082
- Jet #212529 ΔE 0.096
Use #210907 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.