#AD3435
Closest named color: Firebrick (#B22222). oklch(50.7% 0.157 24.3), rgb(173, 52, 53).
Aa
White text reads best on this color (6.32:1).
About this color
#AD3435 is a medium-dark, vivid red. In OKLCH its lightness is 51%, its chroma 0.157 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Firebrick (#B22222), ΔE 0.026 away. White text reads best on it, at 6.32:1.
| Hue family | Reds |
| Lightness | medium-dark (51%) |
| Chroma | vivid (0.157) |
| Temperature | warm |
| Nearest name | Firebrick (#B22222) |
| Black text | 3.31:1 |
| White text | 6.32:1 |
Values
| HEX | #AD3435 |
| RGB | rgb(173, 52, 53) |
| HSL | hsl(360, 54%, 44%) |
| OKLCH | oklch(50.7% 0.157 24.3) |
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 #AD3435 | 6.32:1 | AA | Lc -85.6 | Fine for body text |
| Black text on #AD3435 | 3.31:1 | AA large text | Lc 23.7 | Dividers and decoration only |
| #AD3435 text on white | 6.32:1 | AA | Lc 80.4 | Fine for body text |
| #AD3435 text on black | 3.31:1 | AA large text | Lc -21.4 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E3
oklch(93.7% 0.021 24.8)
-
Step 200
200
#F4CFCB
oklch(88.5% 0.042 25.3)
-
Step 300
300
#EEAEA9
oklch(80.9% 0.076 23.9)
-
Step 400
400
#E2817B
oklch(70.7% 0.121 24.3)
-
Step 500
500
#D75D59
oklch(63.1% 0.155 24.4)
-
Step 600
600
#C33E3F
oklch(55.6% 0.17 24.1)
-
Step 700
700 (this color)
#AD3435
oklch(50.7% 0.157 24.3)
-
Step 800
800
#882929
oklch(42.7% 0.13 24.5)
-
Step 900
900
#6E2725
oklch(37.8% 0.102 24.8)
-
Step 950
950
#411816
oklch(27.1% 0.064 25.1)
#AD3435 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) | #564F34 | 0.169 |
| Deuteranopia (no green cones) | #746931 | 0.156 |
| Tritanopia (no blue cones) | #BE0E36 | 0.046 |
| Achromatopsia (no color) | #606060 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AD3435
#AD3435
oklch(50.7% 0.157 24.3)
- #00737C
#00737C
oklch(50.7% 0.086 204.3)
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 #AD3435, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Firebrick #B22222 ΔE 0.026
- Brown #A52A2A ΔE 0.026
- Rusty Red #AF2F0D ΔE 0.032
- Brick #A03623 ΔE 0.034
- Rufous #AE2012 ΔE 0.034
- Dull Red #BB3F3F ΔE 0.038
- Rust Red #AA2704 ΔE 0.038
- Rouge #AB1239 ΔE 0.046
Use #AD3435 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.