#AD1600
Closest named color: Rufous (#AE2012). oklch(47.8% 0.185 31.2), rgb(173, 22, 0).
Aa
White text reads best on this color (7.26:1).
About this color
#AD1600 is a medium-dark, vivid red. In OKLCH its lightness is 48%, its chroma 0.185 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Rufous (#AE2012), ΔE 0.011 away. White text reads best on it, at 7.26:1.
| Hue family | Reds |
| Lightness | medium-dark (48%) |
| Chroma | vivid (0.185) |
| Temperature | warm |
| Nearest name | Rufous (#AE2012) |
| Black text | 2.89:1 |
| White text | 7.26:1 |
Values
| HEX | #AD1600 |
| RGB | rgb(173, 22, 0) |
| HSL | hsl(8, 100%, 34%) |
| OKLCH | oklch(47.8% 0.185 31.2) |
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 #AD1600 | 7.26:1 | AAA | Lc -88.2 | Fine for body text |
| Black text on #AD1600 | 2.89:1 | Fails | Lc 20.9 | Dividers and decoration only |
| #AD1600 text on white | 7.26:1 | AAA | Lc 83.2 | Fine for body text |
| #AD1600 text on black | 2.89:1 | Fails | Lc -18.8 | Dividers and decoration only |
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 700.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4DF
oklch(93.6% 0.026 32.2)
-
Step 200
200
#F8CEC5
oklch(88.5% 0.049 32.1)
-
Step 300
300
#F5AB9D
oklch(80.8% 0.09 31)
-
Step 400
400
#EC7B67
oklch(70.7% 0.143 31.4)
-
Step 500
500
#E2533D
oklch(63.1% 0.182 31.3)
-
Step 600
600
#CE2E18
oklch(55.6% 0.199 31.2)
-
Step 700
700 (this color)
#AD1600
oklch(47.8% 0.185 31.2)
-
Step 800
800
#901D0D
oklch(42.7% 0.153 31.2)
-
Step 900
900
#742014
oklch(37.7% 0.12 31.2)
-
Step 950
950
#44140D
oklch(26.9% 0.076 30.9)
#AD1600 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) | #4C4200 | 0.199 |
| Deuteranopia (no green cones) | #6F6200 | 0.177 |
| Tritanopia (no blue cones) | #C00015 | 0.041 |
| Achromatopsia (no color) | #575757 | 0.186 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD1600
#AD1600
oklch(47.8% 0.185 31.2)
- #006977
#006977
oklch(47.7% 0.083 210.7)
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 #AD1600, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rufous #AE2012 ΔE 0.011
- Rust Red #AA2704 ΔE 0.017
- Firebrick #B22222 ΔE 0.024
- Burnt Red #9F2305 ΔE 0.028
- Rusty Red #AF2F0D ΔE 0.030
- Brown #A52A2A ΔE 0.031
- Scarlet #BE0119 ΔE 0.038
- Brick #A03623 ΔE 0.042
Use #AD1600 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.