#99533F
Closest named color: Sienna (#A0522D). oklch(52.1% 0.099 36.8), rgb(153, 83, 63).
Aa
White text reads best on this color (5.73:1).
About this color
#99533F is a medium-dark, moderately saturated red. In OKLCH its lightness is 52%, its chroma 0.099 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Sienna (#A0522D), ΔE 0.023 away. White text reads best on it, at 5.73:1.
| Hue family | Reds |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.099) |
| Temperature | warm |
| Nearest name | Sienna (#A0522D) |
| Black text | 3.66:1 |
| White text | 5.73:1 |
Values
| HEX | #99533F |
| RGB | rgb(153, 83, 63) |
| HSL | hsl(13, 42%, 42%) |
| OKLCH | oklch(52.1% 0.099 36.8) |
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 #99533F | 5.73:1 | AA | Lc -83.6 | Fine for body text |
| Black text on #99533F | 3.66:1 | AA large text | Lc 25.7 | Dividers and decoration only |
| #99533F text on white | 5.73:1 | AA | Lc 78.4 | Fine for body text |
| #99533F text on black | 3.66:1 | AA large text | Lc -23.4 | 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
#FAF4F2
oklch(97.1% 0.007 39.5)
-
Step 100
100
#F3E7E3
oklch(93.6% 0.014 39.4)
-
Step 200
200
#EAD4CD
oklch(88.6% 0.026 38.5)
-
Step 300
300
#DDB7AB
oklch(81% 0.047 38.3)
-
Step 400
400
#CB907F
oklch(70.7% 0.076 36.7)
-
Step 500
500
#BC745F
oklch(63.1% 0.097 37)
-
Step 600
600
#A85B45
oklch(55.7% 0.107 36.8)
-
Step 700
700 (this color)
#99533F
oklch(52.1% 0.099 36.8)
-
Step 800
800
#753D2E
oklch(42.7% 0.082 35.9)
-
Step 900
900
#5E3529
oklch(37.7% 0.063 37.1)
-
Step 950
950
#371F18
oklch(26.9% 0.04 37)
#99533F 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) | #655D3D | 0.095 |
| Deuteranopia (no green cones) | #766C3E | 0.088 |
| Tritanopia (no blue cones) | #A7474E | 0.046 |
| Achromatopsia (no color) | #666666 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99533F
#99533F
oklch(52.1% 0.099 36.8)
- #00768C
#00768C
oklch(52.2% 0.093 216.8)
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 #99533F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sienna #A0522D ΔE 0.023
- Sepia #985E2B ΔE 0.042
- Cocoa #875F42 ΔE 0.042
- Burnt Umber #A0450E ΔE 0.045
- Warm Brown #964E02 ΔE 0.048
- Light Maroon #A24857 ΔE 0.052
- Earth #A2653E ΔE 0.052
- Cinnamon #AC4F06 ΔE 0.052
Use #99533F 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.